Deleted vendor folder

1 files changed, 0 insertions, 2679 deletions

diff --git a/vendor/serde_json/src/de.rs b/vendor/serde_json/src/de.rs
deleted file mode 100644
index 7154f84..0000000
--- a/vendor/serde_json/src/de.rs
+++ /dev/null
@@ -1,2679 +0,0 @@
-//! Deserialize JSON data to a Rust data structure.
-
-use crate::error::{Error, ErrorCode, Result};
-#[cfg(feature = "float_roundtrip")]
-use crate::lexical;
-use crate::number::Number;
-use crate::read::{self, Fused, Reference};
-use alloc::string::String;
-use alloc::vec::Vec;
-#[cfg(feature = "float_roundtrip")]
-use core::iter;
-use core::iter::FusedIterator;
-use core::marker::PhantomData;
-use core::result;
-use core::str::FromStr;
-use serde::de::{self, Expected, Unexpected};
-use serde::forward_to_deserialize_any;
-
-#[cfg(feature = "arbitrary_precision")]
-use crate::number::NumberDeserializer;
-
-pub use crate::read::{Read, SliceRead, StrRead};
-
-#[cfg(feature = "std")]
-#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
-pub use crate::read::IoRead;
-
-//////////////////////////////////////////////////////////////////////////////
-
-/// A structure that deserializes JSON into Rust values.
-pub struct Deserializer<R> {
-    read: R,
-    scratch: Vec<u8>,
-    remaining_depth: u8,
-    #[cfg(feature = "float_roundtrip")]
-    single_precision: bool,
-    #[cfg(feature = "unbounded_depth")]
-    disable_recursion_limit: bool,
-}
-
-impl<'de, R> Deserializer<R>
-where
-    R: read::Read<'de>,
-{
-    /// Create a JSON deserializer from one of the possible serde_json input
-    /// sources.
-    ///
-    /// Typically it is more convenient to use one of these methods instead:
-    ///
-    ///   - Deserializer::from_str
-    ///   - Deserializer::from_slice
-    ///   - Deserializer::from_reader
-    pub fn new(read: R) -> Self {
-        Deserializer {
-            read,
-            scratch: Vec::new(),
-            remaining_depth: 128,
-            #[cfg(feature = "float_roundtrip")]
-            single_precision: false,
-            #[cfg(feature = "unbounded_depth")]
-            disable_recursion_limit: false,
-        }
-    }
-}
-
-#[cfg(feature = "std")]
-impl<R> Deserializer<read::IoRead<R>>
-where
-    R: crate::io::Read,
-{
-    /// Creates a JSON deserializer from an `io::Read`.
-    ///
-    /// Reader-based deserializers do not support deserializing borrowed types
-    /// like `&str`, since the `std::io::Read` trait has no non-copying methods
-    /// -- everything it does involves copying bytes out of the data source.
-    pub fn from_reader(reader: R) -> Self {
-        Deserializer::new(read::IoRead::new(reader))
-    }
-}
-
-impl<'a> Deserializer<read::SliceRead<'a>> {
-    /// Creates a JSON deserializer from a `&[u8]`.
-    pub fn from_slice(bytes: &'a [u8]) -> Self {
-        Deserializer::new(read::SliceRead::new(bytes))
-    }
-}
-
-impl<'a> Deserializer<read::StrRead<'a>> {
-    /// Creates a JSON deserializer from a `&str`.
-    pub fn from_str(s: &'a str) -> Self {
-        Deserializer::new(read::StrRead::new(s))
-    }
-}
-
-macro_rules! overflow {
-    ($a:ident * 10 + $b:ident, $c:expr) => {
-        match $c {
-            c => $a >= c / 10 && ($a > c / 10 || $b > c % 10),
-        }
-    };
-}
-
-pub(crate) enum ParserNumber {
-    F64(f64),
-    U64(u64),
-    I64(i64),
-    #[cfg(feature = "arbitrary_precision")]
-    String(String),
-}
-
-impl ParserNumber {
-    fn visit<'de, V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        match self {
-            ParserNumber::F64(x) => visitor.visit_f64(x),
-            ParserNumber::U64(x) => visitor.visit_u64(x),
-            ParserNumber::I64(x) => visitor.visit_i64(x),
-            #[cfg(feature = "arbitrary_precision")]
-            ParserNumber::String(x) => visitor.visit_map(NumberDeserializer { number: x.into() }),
-        }
-    }
-
-    fn invalid_type(self, exp: &dyn Expected) -> Error {
-        match self {
-            ParserNumber::F64(x) => de::Error::invalid_type(Unexpected::Float(x), exp),
-            ParserNumber::U64(x) => de::Error::invalid_type(Unexpected::Unsigned(x), exp),
-            ParserNumber::I64(x) => de::Error::invalid_type(Unexpected::Signed(x), exp),
-            #[cfg(feature = "arbitrary_precision")]
-            ParserNumber::String(_) => de::Error::invalid_type(Unexpected::Other("number"), exp),
-        }
-    }
-}
-
-impl<'de, R: Read<'de>> Deserializer<R> {
-    /// The `Deserializer::end` method should be called after a value has been fully deserialized.
-    /// This allows the `Deserializer` to validate that the input stream is at the end or that it
-    /// only has trailing whitespace.
-    pub fn end(&mut self) -> Result<()> {
-        match tri!(self.parse_whitespace()) {
-            Some(_) => Err(self.peek_error(ErrorCode::TrailingCharacters)),
-            None => Ok(()),
-        }
-    }
-
-    /// Turn a JSON deserializer into an iterator over values of type T.
-    pub fn into_iter<T>(self) -> StreamDeserializer<'de, R, T>
-    where
-        T: de::Deserialize<'de>,
-    {
-        // This cannot be an implementation of std::iter::IntoIterator because
-        // we need the caller to choose what T is.
-        let offset = self.read.byte_offset();
-        StreamDeserializer {
-            de: self,
-            offset,
-            failed: false,
-            output: PhantomData,
-            lifetime: PhantomData,
-        }
-    }
-
-    /// Parse arbitrarily deep JSON structures without any consideration for
-    /// overflowing the stack.
-    ///
-    /// You will want to provide some other way to protect against stack
-    /// overflows, such as by wrapping your Deserializer in the dynamically
-    /// growing stack adapter provided by the serde_stacker crate. Additionally
-    /// you will need to be careful around other recursive operations on the
-    /// parsed result which may overflow the stack after deserialization has
-    /// completed, including, but not limited to, Display and Debug and Drop
-    /// impls.
-    ///
-    /// *This method is only available if serde_json is built with the
-    /// `"unbounded_depth"` feature.*
-    ///
-    /// # Examples
-    ///
-    /// ```
-    /// use serde::Deserialize;
-    /// use serde_json::Value;
-    ///
-    /// fn main() {
-    ///     let mut json = String::new();
-    ///     for _ in 0..10000 {
-    ///         json = format!("[{}]", json);
-    ///     }
-    ///
-    ///     let mut deserializer = serde_json::Deserializer::from_str(&json);
-    ///     deserializer.disable_recursion_limit();
-    ///     let deserializer = serde_stacker::Deserializer::new(&mut deserializer);
-    ///     let value = Value::deserialize(deserializer).unwrap();
-    ///
-    ///     carefully_drop_nested_arrays(value);
-    /// }
-    ///
-    /// fn carefully_drop_nested_arrays(value: Value) {
-    ///     let mut stack = vec![value];
-    ///     while let Some(value) = stack.pop() {
-    ///         if let Value::Array(array) = value {
-    ///             stack.extend(array);
-    ///         }
-    ///     }
-    /// }
-    /// ```
-    #[cfg(feature = "unbounded_depth")]
-    #[cfg_attr(docsrs, doc(cfg(feature = "unbounded_depth")))]
-    pub fn disable_recursion_limit(&mut self) {
-        self.disable_recursion_limit = true;
-    }
-
-    pub(crate) fn peek(&mut self) -> Result<Option<u8>> {
-        self.read.peek()
-    }
-
-    fn peek_or_null(&mut self) -> Result<u8> {
-        Ok(tri!(self.peek()).unwrap_or(b'\x00'))
-    }
-
-    fn eat_char(&mut self) {
-        self.read.discard();
-    }
-
-    fn next_char(&mut self) -> Result<Option<u8>> {
-        self.read.next()
-    }
-
-    fn next_char_or_null(&mut self) -> Result<u8> {
-        Ok(tri!(self.next_char()).unwrap_or(b'\x00'))
-    }
-
-    /// Error caused by a byte from next_char().
-    #[cold]
-    fn error(&self, reason: ErrorCode) -> Error {
-        let position = self.read.position();
-        Error::syntax(reason, position.line, position.column)
-    }
-
-    /// Error caused by a byte from peek().
-    #[cold]
-    fn peek_error(&self, reason: ErrorCode) -> Error {
-        let position = self.read.peek_position();
-        Error::syntax(reason, position.line, position.column)
-    }
-
-    /// Returns the first non-whitespace byte without consuming it, or `None` if
-    /// EOF is encountered.
-    fn parse_whitespace(&mut self) -> Result<Option<u8>> {
-        loop {
-            match tri!(self.peek()) {
-                Some(b' ' | b'\n' | b'\t' | b'\r') => {
-                    self.eat_char();
-                }
-                other => {
-                    return Ok(other);
-                }
-            }
-        }
-    }
-
-    #[cold]
-    fn peek_invalid_type(&mut self, exp: &dyn Expected) -> Error {
-        let err = match self.peek_or_null().unwrap_or(b'\x00') {
-            b'n' => {
-                self.eat_char();
-                if let Err(err) = self.parse_ident(b"ull") {
-                    return err;
-                }
-                de::Error::invalid_type(Unexpected::Unit, exp)
-            }
-            b't' => {
-                self.eat_char();
-                if let Err(err) = self.parse_ident(b"rue") {
-                    return err;
-                }
-                de::Error::invalid_type(Unexpected::Bool(true), exp)
-            }
-            b'f' => {
-                self.eat_char();
-                if let Err(err) = self.parse_ident(b"alse") {
-                    return err;
-                }
-                de::Error::invalid_type(Unexpected::Bool(false), exp)
-            }
-            b'-' => {
-                self.eat_char();
-                match self.parse_any_number(false) {
-                    Ok(n) => n.invalid_type(exp),
-                    Err(err) => return err,
-                }
-            }
-            b'0'..=b'9' => match self.parse_any_number(true) {
-                Ok(n) => n.invalid_type(exp),
-                Err(err) => return err,
-            },
-            b'"' => {
-                self.eat_char();
-                self.scratch.clear();
-                match self.read.parse_str(&mut self.scratch) {
-                    Ok(s) => de::Error::invalid_type(Unexpected::Str(&s), exp),
-                    Err(err) => return err,
-                }
-            }
-            b'[' => de::Error::invalid_type(Unexpected::Seq, exp),
-            b'{' => de::Error::invalid_type(Unexpected::Map, exp),
-            _ => self.peek_error(ErrorCode::ExpectedSomeValue),
-        };
-
-        self.fix_position(err)
-    }
-
-    pub(crate) fn deserialize_number<'any, V>(&mut self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'any>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'-' => {
-                self.eat_char();
-                tri!(self.parse_integer(false)).visit(visitor)
-            }
-            b'0'..=b'9' => tri!(self.parse_integer(true)).visit(visitor),
-            _ => Err(self.peek_invalid_type(&visitor)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    #[cfg(feature = "float_roundtrip")]
-    pub(crate) fn do_deserialize_f32<'any, V>(&mut self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'any>,
-    {
-        self.single_precision = true;
-        let val = self.deserialize_number(visitor);
-        self.single_precision = false;
-        val
-    }
-
-    pub(crate) fn do_deserialize_i128<'any, V>(&mut self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'any>,
-    {
-        let mut buf = String::new();
-
-        match tri!(self.parse_whitespace()) {
-            Some(b'-') => {
-                self.eat_char();
-                buf.push('-');
-            }
-            Some(_) => {}
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        tri!(self.scan_integer128(&mut buf));
-
-        let value = match buf.parse() {
-            Ok(int) => visitor.visit_i128(int),
-            Err(_) => {
-                return Err(self.error(ErrorCode::NumberOutOfRange));
-            }
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    pub(crate) fn do_deserialize_u128<'any, V>(&mut self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'any>,
-    {
-        match tri!(self.parse_whitespace()) {
-            Some(b'-') => {
-                return Err(self.peek_error(ErrorCode::NumberOutOfRange));
-            }
-            Some(_) => {}
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        }
-
-        let mut buf = String::new();
-        tri!(self.scan_integer128(&mut buf));
-
-        let value = match buf.parse() {
-            Ok(int) => visitor.visit_u128(int),
-            Err(_) => {
-                return Err(self.error(ErrorCode::NumberOutOfRange));
-            }
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    fn scan_integer128(&mut self, buf: &mut String) -> Result<()> {
-        match tri!(self.next_char_or_null()) {
-            b'0' => {
-                buf.push('0');
-                // There can be only one leading '0'.
-                match tri!(self.peek_or_null()) {
-                    b'0'..=b'9' => Err(self.peek_error(ErrorCode::InvalidNumber)),
-                    _ => Ok(()),
-                }
-            }
-            c @ b'1'..=b'9' => {
-                buf.push(c as char);
-                while let c @ b'0'..=b'9' = tri!(self.peek_or_null()) {
-                    self.eat_char();
-                    buf.push(c as char);
-                }
-                Ok(())
-            }
-            _ => Err(self.error(ErrorCode::InvalidNumber)),
-        }
-    }
-
-    #[cold]
-    fn fix_position(&self, err: Error) -> Error {
-        err.fix_position(move |code| self.error(code))
-    }
-
-    fn parse_ident(&mut self, ident: &[u8]) -> Result<()> {
-        for expected in ident {
-            match tri!(self.next_char()) {
-                None => {
-                    return Err(self.error(ErrorCode::EofWhileParsingValue));
-                }
-                Some(next) => {
-                    if next != *expected {
-                        return Err(self.error(ErrorCode::ExpectedSomeIdent));
-                    }
-                }
-            }
-        }
-
-        Ok(())
-    }
-
-    fn parse_integer(&mut self, positive: bool) -> Result<ParserNumber> {
-        let next = match tri!(self.next_char()) {
-            Some(b) => b,
-            None => {
-                return Err(self.error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        match next {
-            b'0' => {
-                // There can be only one leading '0'.
-                match tri!(self.peek_or_null()) {
-                    b'0'..=b'9' => Err(self.peek_error(ErrorCode::InvalidNumber)),
-                    _ => self.parse_number(positive, 0),
-                }
-            }
-            c @ b'1'..=b'9' => {
-                let mut significand = (c - b'0') as u64;
-
-                loop {
-                    match tri!(self.peek_or_null()) {
-                        c @ b'0'..=b'9' => {
-                            let digit = (c - b'0') as u64;
-
-                            // We need to be careful with overflow. If we can,
-                            // try to keep the number as a `u64` until we grow
-                            // too large. At that point, switch to parsing the
-                            // value as a `f64`.
-                            if overflow!(significand * 10 + digit, u64::max_value()) {
-                                return Ok(ParserNumber::F64(tri!(
-                                    self.parse_long_integer(positive, significand),
-                                )));
-                            }
-
-                            self.eat_char();
-                            significand = significand * 10 + digit;
-                        }
-                        _ => {
-                            return self.parse_number(positive, significand);
-                        }
-                    }
-                }
-            }
-            _ => Err(self.error(ErrorCode::InvalidNumber)),
-        }
-    }
-
-    fn parse_number(&mut self, positive: bool, significand: u64) -> Result<ParserNumber> {
-        Ok(match tri!(self.peek_or_null()) {
-            b'.' => ParserNumber::F64(tri!(self.parse_decimal(positive, significand, 0))),
-            b'e' | b'E' => ParserNumber::F64(tri!(self.parse_exponent(positive, significand, 0))),
-            _ => {
-                if positive {
-                    ParserNumber::U64(significand)
-                } else {
-                    let neg = (significand as i64).wrapping_neg();
-
-                    // Convert into a float if we underflow, or on `-0`.
-                    if neg >= 0 {
-                        ParserNumber::F64(-(significand as f64))
-                    } else {
-                        ParserNumber::I64(neg)
-                    }
-                }
-            }
-        })
-    }
-
-    fn parse_decimal(
-        &mut self,
-        positive: bool,
-        mut significand: u64,
-        exponent_before_decimal_point: i32,
-    ) -> Result<f64> {
-        self.eat_char();
-
-        let mut exponent_after_decimal_point = 0;
-        while let c @ b'0'..=b'9' = tri!(self.peek_or_null()) {
-            let digit = (c - b'0') as u64;
-
-            if overflow!(significand * 10 + digit, u64::max_value()) {
-                let exponent = exponent_before_decimal_point + exponent_after_decimal_point;
-                return self.parse_decimal_overflow(positive, significand, exponent);
-            }
-
-            self.eat_char();
-            significand = significand * 10 + digit;
-            exponent_after_decimal_point -= 1;
-        }
-
-        // Error if there is not at least one digit after the decimal point.
-        if exponent_after_decimal_point == 0 {
-            match tri!(self.peek()) {
-                Some(_) => return Err(self.peek_error(ErrorCode::InvalidNumber)),
-                None => return Err(self.peek_error(ErrorCode::EofWhileParsingValue)),
-            }
-        }
-
-        let exponent = exponent_before_decimal_point + exponent_after_decimal_point;
-        match tri!(self.peek_or_null()) {
-            b'e' | b'E' => self.parse_exponent(positive, significand, exponent),
-            _ => self.f64_from_parts(positive, significand, exponent),
-        }
-    }
-
-    fn parse_exponent(
-        &mut self,
-        positive: bool,
-        significand: u64,
-        starting_exp: i32,
-    ) -> Result<f64> {
-        self.eat_char();
-
-        let positive_exp = match tri!(self.peek_or_null()) {
-            b'+' => {
-                self.eat_char();
-                true
-            }
-            b'-' => {
-                self.eat_char();
-                false
-            }
-            _ => true,
-        };
-
-        let next = match tri!(self.next_char()) {
-            Some(b) => b,
-            None => {
-                return Err(self.error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        // Make sure a digit follows the exponent place.
-        let mut exp = match next {
-            c @ b'0'..=b'9' => (c - b'0') as i32,
-            _ => {
-                return Err(self.error(ErrorCode::InvalidNumber));
-            }
-        };
-
-        while let c @ b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.eat_char();
-            let digit = (c - b'0') as i32;
-
-            if overflow!(exp * 10 + digit, i32::max_value()) {
-                let zero_significand = significand == 0;
-                return self.parse_exponent_overflow(positive, zero_significand, positive_exp);
-            }
-
-            exp = exp * 10 + digit;
-        }
-
-        let final_exp = if positive_exp {
-            starting_exp.saturating_add(exp)
-        } else {
-            starting_exp.saturating_sub(exp)
-        };
-
-        self.f64_from_parts(positive, significand, final_exp)
-    }
-
-    #[cfg(feature = "float_roundtrip")]
-    fn f64_from_parts(&mut self, positive: bool, significand: u64, exponent: i32) -> Result<f64> {
-        let f = if self.single_precision {
-            lexical::parse_concise_float::<f32>(significand, exponent) as f64
-        } else {
-            lexical::parse_concise_float::<f64>(significand, exponent)
-        };
-
-        if f.is_infinite() {
-            Err(self.error(ErrorCode::NumberOutOfRange))
-        } else {
-            Ok(if positive { f } else { -f })
-        }
-    }
-
-    #[cfg(not(feature = "float_roundtrip"))]
-    fn f64_from_parts(
-        &mut self,
-        positive: bool,
-        significand: u64,
-        mut exponent: i32,
-    ) -> Result<f64> {
-        let mut f = significand as f64;
-        loop {
-            match POW10.get(exponent.wrapping_abs() as usize) {
-                Some(&pow) => {
-                    if exponent >= 0 {
-                        f *= pow;
-                        if f.is_infinite() {
-                            return Err(self.error(ErrorCode::NumberOutOfRange));
-                        }
-                    } else {
-                        f /= pow;
-                    }
-                    break;
-                }
-                None => {
-                    if f == 0.0 {
-                        break;
-                    }
-                    if exponent >= 0 {
-                        return Err(self.error(ErrorCode::NumberOutOfRange));
-                    }
-                    f /= 1e308;
-                    exponent += 308;
-                }
-            }
-        }
-        Ok(if positive { f } else { -f })
-    }
-
-    #[cfg(feature = "float_roundtrip")]
-    #[cold]
-    #[inline(never)]
-    fn parse_long_integer(&mut self, positive: bool, partial_significand: u64) -> Result<f64> {
-        // To deserialize floats we'll first push the integer and fraction
-        // parts, both as byte strings, into the scratch buffer and then feed
-        // both slices to lexical's parser. For example if the input is
-        // `12.34e5` we'll push b"1234" into scratch and then pass b"12" and
-        // b"34" to lexical. `integer_end` will be used to track where to split
-        // the scratch buffer.
-        //
-        // Note that lexical expects the integer part to contain *no* leading
-        // zeroes and the fraction part to contain *no* trailing zeroes. The
-        // first requirement is already handled by the integer parsing logic.
-        // The second requirement will be enforced just before passing the
-        // slices to lexical in f64_long_from_parts.
-        self.scratch.clear();
-        self.scratch
-            .extend_from_slice(itoa::Buffer::new().format(partial_significand).as_bytes());
-
-        loop {
-            match tri!(self.peek_or_null()) {
-                c @ b'0'..=b'9' => {
-                    self.scratch.push(c);
-                    self.eat_char();
-                }
-                b'.' => {
-                    self.eat_char();
-                    return self.parse_long_decimal(positive, self.scratch.len());
-                }
-                b'e' | b'E' => {
-                    return self.parse_long_exponent(positive, self.scratch.len());
-                }
-                _ => {
-                    return self.f64_long_from_parts(positive, self.scratch.len(), 0);
-                }
-            }
-        }
-    }
-
-    #[cfg(not(feature = "float_roundtrip"))]
-    #[cold]
-    #[inline(never)]
-    fn parse_long_integer(&mut self, positive: bool, significand: u64) -> Result<f64> {
-        let mut exponent = 0;
-        loop {
-            match tri!(self.peek_or_null()) {
-                b'0'..=b'9' => {
-                    self.eat_char();
-                    // This could overflow... if your integer is gigabytes long.
-                    // Ignore that possibility.
-                    exponent += 1;
-                }
-                b'.' => {
-                    return self.parse_decimal(positive, significand, exponent);
-                }
-                b'e' | b'E' => {
-                    return self.parse_exponent(positive, significand, exponent);
-                }
-                _ => {
-                    return self.f64_from_parts(positive, significand, exponent);
-                }
-            }
-        }
-    }
-
-    #[cfg(feature = "float_roundtrip")]
-    #[cold]
-    fn parse_long_decimal(&mut self, positive: bool, integer_end: usize) -> Result<f64> {
-        let mut at_least_one_digit = integer_end < self.scratch.len();
-        while let c @ b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.scratch.push(c);
-            self.eat_char();
-            at_least_one_digit = true;
-        }
-
-        if !at_least_one_digit {
-            match tri!(self.peek()) {
-                Some(_) => return Err(self.peek_error(ErrorCode::InvalidNumber)),
-                None => return Err(self.peek_error(ErrorCode::EofWhileParsingValue)),
-            }
-        }
-
-        match tri!(self.peek_or_null()) {
-            b'e' | b'E' => self.parse_long_exponent(positive, integer_end),
-            _ => self.f64_long_from_parts(positive, integer_end, 0),
-        }
-    }
-
-    #[cfg(feature = "float_roundtrip")]
-    fn parse_long_exponent(&mut self, positive: bool, integer_end: usize) -> Result<f64> {
-        self.eat_char();
-
-        let positive_exp = match tri!(self.peek_or_null()) {
-            b'+' => {
-                self.eat_char();
-                true
-            }
-            b'-' => {
-                self.eat_char();
-                false
-            }
-            _ => true,
-        };
-
-        let next = match tri!(self.next_char()) {
-            Some(b) => b,
-            None => {
-                return Err(self.error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        // Make sure a digit follows the exponent place.
-        let mut exp = match next {
-            c @ b'0'..=b'9' => (c - b'0') as i32,
-            _ => {
-                return Err(self.error(ErrorCode::InvalidNumber));
-            }
-        };
-
-        while let c @ b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.eat_char();
-            let digit = (c - b'0') as i32;
-
-            if overflow!(exp * 10 + digit, i32::max_value()) {
-                let zero_significand = self.scratch.iter().all(|&digit| digit == b'0');
-                return self.parse_exponent_overflow(positive, zero_significand, positive_exp);
-            }
-
-            exp = exp * 10 + digit;
-        }
-
-        let final_exp = if positive_exp { exp } else { -exp };
-
-        self.f64_long_from_parts(positive, integer_end, final_exp)
-    }
-
-    // This cold code should not be inlined into the middle of the hot
-    // decimal-parsing loop above.
-    #[cfg(feature = "float_roundtrip")]
-    #[cold]
-    #[inline(never)]
-    fn parse_decimal_overflow(
-        &mut self,
-        positive: bool,
-        significand: u64,
-        exponent: i32,
-    ) -> Result<f64> {
-        let mut buffer = itoa::Buffer::new();
-        let significand = buffer.format(significand);
-        let fraction_digits = -exponent as usize;
-        self.scratch.clear();
-        if let Some(zeros) = fraction_digits.checked_sub(significand.len() + 1) {
-            self.scratch.extend(iter::repeat(b'0').take(zeros + 1));
-        }
-        self.scratch.extend_from_slice(significand.as_bytes());
-        let integer_end = self.scratch.len() - fraction_digits;
-        self.parse_long_decimal(positive, integer_end)
-    }
-
-    #[cfg(not(feature = "float_roundtrip"))]
-    #[cold]
-    #[inline(never)]
-    fn parse_decimal_overflow(
-        &mut self,
-        positive: bool,
-        significand: u64,
-        exponent: i32,
-    ) -> Result<f64> {
-        // The next multiply/add would overflow, so just ignore all further
-        // digits.
-        while let b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.eat_char();
-        }
-
-        match tri!(self.peek_or_null()) {
-            b'e' | b'E' => self.parse_exponent(positive, significand, exponent),
-            _ => self.f64_from_parts(positive, significand, exponent),
-        }
-    }
-
-    // This cold code should not be inlined into the middle of the hot
-    // exponent-parsing loop above.
-    #[cold]
-    #[inline(never)]
-    fn parse_exponent_overflow(
-        &mut self,
-        positive: bool,
-        zero_significand: bool,
-        positive_exp: bool,
-    ) -> Result<f64> {
-        // Error instead of +/- infinity.
-        if !zero_significand && positive_exp {
-            return Err(self.error(ErrorCode::NumberOutOfRange));
-        }
-
-        while let b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.eat_char();
-        }
-        Ok(if positive { 0.0 } else { -0.0 })
-    }
-
-    #[cfg(feature = "float_roundtrip")]
-    fn f64_long_from_parts(
-        &mut self,
-        positive: bool,
-        integer_end: usize,
-        exponent: i32,
-    ) -> Result<f64> {
-        let integer = &self.scratch[..integer_end];
-        let fraction = &self.scratch[integer_end..];
-
-        let f = if self.single_precision {
-            lexical::parse_truncated_float::<f32>(integer, fraction, exponent) as f64
-        } else {
-            lexical::parse_truncated_float::<f64>(integer, fraction, exponent)
-        };
-
-        if f.is_infinite() {
-            Err(self.error(ErrorCode::NumberOutOfRange))
-        } else {
-            Ok(if positive { f } else { -f })
-        }
-    }
-
-    fn parse_any_signed_number(&mut self) -> Result<ParserNumber> {
-        let peek = match tri!(self.peek()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'-' => {
-                self.eat_char();
-                self.parse_any_number(false)
-            }
-            b'0'..=b'9' => self.parse_any_number(true),
-            _ => Err(self.peek_error(ErrorCode::InvalidNumber)),
-        };
-
-        let value = match tri!(self.peek()) {
-            Some(_) => Err(self.peek_error(ErrorCode::InvalidNumber)),
-            None => value,
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            // The de::Error impl creates errors with unknown line and column.
-            // Fill in the position here by looking at the current index in the
-            // input. There is no way to tell whether this should call `error`
-            // or `peek_error` so pick the one that seems correct more often.
-            // Worst case, the position is off by one character.
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    #[cfg(not(feature = "arbitrary_precision"))]
-    fn parse_any_number(&mut self, positive: bool) -> Result<ParserNumber> {
-        self.parse_integer(positive)
-    }
-
-    #[cfg(feature = "arbitrary_precision")]
-    fn parse_any_number(&mut self, positive: bool) -> Result<ParserNumber> {
-        let mut buf = String::with_capacity(16);
-        if !positive {
-            buf.push('-');
-        }
-        tri!(self.scan_integer(&mut buf));
-        if positive {
-            if let Ok(unsigned) = buf.parse() {
-                return Ok(ParserNumber::U64(unsigned));
-            }
-        } else {
-            if let Ok(signed) = buf.parse() {
-                return Ok(ParserNumber::I64(signed));
-            }
-        }
-        Ok(ParserNumber::String(buf))
-    }
-
-    #[cfg(feature = "arbitrary_precision")]
-    fn scan_or_eof(&mut self, buf: &mut String) -> Result<u8> {
-        match tri!(self.next_char()) {
-            Some(b) => {
-                buf.push(b as char);
-                Ok(b)
-            }
-            None => Err(self.error(ErrorCode::EofWhileParsingValue)),
-        }
-    }
-
-    #[cfg(feature = "arbitrary_precision")]
-    fn scan_integer(&mut self, buf: &mut String) -> Result<()> {
-        match tri!(self.scan_or_eof(buf)) {
-            b'0' => {
-                // There can be only one leading '0'.
-                match tri!(self.peek_or_null()) {
-                    b'0'..=b'9' => Err(self.peek_error(ErrorCode::InvalidNumber)),
-                    _ => self.scan_number(buf),
-                }
-            }
-            b'1'..=b'9' => loop {
-                match tri!(self.peek_or_null()) {
-                    c @ b'0'..=b'9' => {
-                        self.eat_char();
-                        buf.push(c as char);
-                    }
-                    _ => {
-                        return self.scan_number(buf);
-                    }
-                }
-            },
-            _ => Err(self.error(ErrorCode::InvalidNumber)),
-        }
-    }
-
-    #[cfg(feature = "arbitrary_precision")]
-    fn scan_number(&mut self, buf: &mut String) -> Result<()> {
-        match tri!(self.peek_or_null()) {
-            b'.' => self.scan_decimal(buf),
-            e @ (b'e' | b'E') => self.scan_exponent(e as char, buf),
-            _ => Ok(()),
-        }
-    }
-
-    #[cfg(feature = "arbitrary_precision")]
-    fn scan_decimal(&mut self, buf: &mut String) -> Result<()> {
-        self.eat_char();
-        buf.push('.');
-
-        let mut at_least_one_digit = false;
-        while let c @ b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.eat_char();
-            buf.push(c as char);
-            at_least_one_digit = true;
-        }
-
-        if !at_least_one_digit {
-            match tri!(self.peek()) {
-                Some(_) => return Err(self.peek_error(ErrorCode::InvalidNumber)),
-                None => return Err(self.peek_error(ErrorCode::EofWhileParsingValue)),
-            }
-        }
-
-        match tri!(self.peek_or_null()) {
-            e @ (b'e' | b'E') => self.scan_exponent(e as char, buf),
-            _ => Ok(()),
-        }
-    }
-
-    #[cfg(feature = "arbitrary_precision")]
-    fn scan_exponent(&mut self, e: char, buf: &mut String) -> Result<()> {
-        self.eat_char();
-        buf.push(e);
-
-        match tri!(self.peek_or_null()) {
-            b'+' => {
-                self.eat_char();
-                buf.push('+');
-            }
-            b'-' => {
-                self.eat_char();
-                buf.push('-');
-            }
-            _ => {}
-        }
-
-        // Make sure a digit follows the exponent place.
-        match tri!(self.scan_or_eof(buf)) {
-            b'0'..=b'9' => {}
-            _ => {
-                return Err(self.error(ErrorCode::InvalidNumber));
-            }
-        }
-
-        while let c @ b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.eat_char();
-            buf.push(c as char);
-        }
-
-        Ok(())
-    }
-
-    fn parse_object_colon(&mut self) -> Result<()> {
-        match tri!(self.parse_whitespace()) {
-            Some(b':') => {
-                self.eat_char();
-                Ok(())
-            }
-            Some(_) => Err(self.peek_error(ErrorCode::ExpectedColon)),
-            None => Err(self.peek_error(ErrorCode::EofWhileParsingObject)),
-        }
-    }
-
-    fn end_seq(&mut self) -> Result<()> {
-        match tri!(self.parse_whitespace()) {
-            Some(b']') => {
-                self.eat_char();
-                Ok(())
-            }
-            Some(b',') => {
-                self.eat_char();
-                match self.parse_whitespace() {
-                    Ok(Some(b']')) => Err(self.peek_error(ErrorCode::TrailingComma)),
-                    _ => Err(self.peek_error(ErrorCode::TrailingCharacters)),
-                }
-            }
-            Some(_) => Err(self.peek_error(ErrorCode::TrailingCharacters)),
-            None => Err(self.peek_error(ErrorCode::EofWhileParsingList)),
-        }
-    }
-
-    fn end_map(&mut self) -> Result<()> {
-        match tri!(self.parse_whitespace()) {
-            Some(b'}') => {
-                self.eat_char();
-                Ok(())
-            }
-            Some(b',') => Err(self.peek_error(ErrorCode::TrailingComma)),
-            Some(_) => Err(self.peek_error(ErrorCode::TrailingCharacters)),
-            None => Err(self.peek_error(ErrorCode::EofWhileParsingObject)),
-        }
-    }
-
-    fn ignore_value(&mut self) -> Result<()> {
-        self.scratch.clear();
-        let mut enclosing = None;
-
-        loop {
-            let peek = match tri!(self.parse_whitespace()) {
-                Some(b) => b,
-                None => {
-                    return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-                }
-            };
-
-            let frame = match peek {
-                b'n' => {
-                    self.eat_char();
-                    tri!(self.parse_ident(b"ull"));
-                    None
-                }
-                b't' => {
-                    self.eat_char();
-                    tri!(self.parse_ident(b"rue"));
-                    None
-                }
-                b'f' => {
-                    self.eat_char();
-                    tri!(self.parse_ident(b"alse"));
-                    None
-                }
-                b'-' => {
-                    self.eat_char();
-                    tri!(self.ignore_integer());
-                    None
-                }
-                b'0'..=b'9' => {
-                    tri!(self.ignore_integer());
-                    None
-                }
-                b'"' => {
-                    self.eat_char();
-                    tri!(self.read.ignore_str());
-                    None
-                }
-                frame @ (b'[' | b'{') => {
-                    self.scratch.extend(enclosing.take());
-                    self.eat_char();
-                    Some(frame)
-                }
-                _ => return Err(self.peek_error(ErrorCode::ExpectedSomeValue)),
-            };
-
-            let (mut accept_comma, mut frame) = match frame {
-                Some(frame) => (false, frame),
-                None => match enclosing.take() {
-                    Some(frame) => (true, frame),
-                    None => match self.scratch.pop() {
-                        Some(frame) => (true, frame),
-                        None => return Ok(()),
-                    },
-                },
-            };
-
-            loop {
-                match tri!(self.parse_whitespace()) {
-                    Some(b',') if accept_comma => {
-                        self.eat_char();
-                        break;
-                    }
-                    Some(b']') if frame == b'[' => {}
-                    Some(b'}') if frame == b'{' => {}
-                    Some(_) => {
-                        if accept_comma {
-                            return Err(self.peek_error(match frame {
-                                b'[' => ErrorCode::ExpectedListCommaOrEnd,
-                                b'{' => ErrorCode::ExpectedObjectCommaOrEnd,
-                                _ => unreachable!(),
-                            }));
-                        } else {
-                            break;
-                        }
-                    }
-                    None => {
-                        return Err(self.peek_error(match frame {
-                            b'[' => ErrorCode::EofWhileParsingList,
-                            b'{' => ErrorCode::EofWhileParsingObject,
-                            _ => unreachable!(),
-                        }));
-                    }
-                }
-
-                self.eat_char();
-                frame = match self.scratch.pop() {
-                    Some(frame) => frame,
-                    None => return Ok(()),
-                };
-                accept_comma = true;
-            }
-
-            if frame == b'{' {
-                match tri!(self.parse_whitespace()) {
-                    Some(b'"') => self.eat_char(),
-                    Some(_) => return Err(self.peek_error(ErrorCode::KeyMustBeAString)),
-                    None => return Err(self.peek_error(ErrorCode::EofWhileParsingObject)),
-                }
-                tri!(self.read.ignore_str());
-                match tri!(self.parse_whitespace()) {
-                    Some(b':') => self.eat_char(),
-                    Some(_) => return Err(self.peek_error(ErrorCode::ExpectedColon)),
-                    None => return Err(self.peek_error(ErrorCode::EofWhileParsingObject)),
-                }
-            }
-
-            enclosing = Some(frame);
-        }
-    }
-
-    fn ignore_integer(&mut self) -> Result<()> {
-        match tri!(self.next_char_or_null()) {
-            b'0' => {
-                // There can be only one leading '0'.
-                if let b'0'..=b'9' = tri!(self.peek_or_null()) {
-                    return Err(self.peek_error(ErrorCode::InvalidNumber));
-                }
-            }
-            b'1'..=b'9' => {
-                while let b'0'..=b'9' = tri!(self.peek_or_null()) {
-                    self.eat_char();
-                }
-            }
-            _ => {
-                return Err(self.error(ErrorCode::InvalidNumber));
-            }
-        }
-
-        match tri!(self.peek_or_null()) {
-            b'.' => self.ignore_decimal(),
-            b'e' | b'E' => self.ignore_exponent(),
-            _ => Ok(()),
-        }
-    }
-
-    fn ignore_decimal(&mut self) -> Result<()> {
-        self.eat_char();
-
-        let mut at_least_one_digit = false;
-        while let b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.eat_char();
-            at_least_one_digit = true;
-        }
-
-        if !at_least_one_digit {
-            return Err(self.peek_error(ErrorCode::InvalidNumber));
-        }
-
-        match tri!(self.peek_or_null()) {
-            b'e' | b'E' => self.ignore_exponent(),
-            _ => Ok(()),
-        }
-    }
-
-    fn ignore_exponent(&mut self) -> Result<()> {
-        self.eat_char();
-
-        match tri!(self.peek_or_null()) {
-            b'+' | b'-' => self.eat_char(),
-            _ => {}
-        }
-
-        // Make sure a digit follows the exponent place.
-        match tri!(self.next_char_or_null()) {
-            b'0'..=b'9' => {}
-            _ => {
-                return Err(self.error(ErrorCode::InvalidNumber));
-            }
-        }
-
-        while let b'0'..=b'9' = tri!(self.peek_or_null()) {
-            self.eat_char();
-        }
-
-        Ok(())
-    }
-
-    #[cfg(feature = "raw_value")]
-    fn deserialize_raw_value<V>(&mut self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        tri!(self.parse_whitespace());
-        self.read.begin_raw_buffering();
-        tri!(self.ignore_value());
-        self.read.end_raw_buffering(visitor)
-    }
-}
-
-impl FromStr for Number {
-    type Err = Error;
-
-    fn from_str(s: &str) -> result::Result<Self, Self::Err> {
-        Deserializer::from_str(s)
-            .parse_any_signed_number()
-            .map(Into::into)
-    }
-}
-
-#[cfg(not(feature = "float_roundtrip"))]
-static POW10: [f64; 309] = [
-    1e000, 1e001, 1e002, 1e003, 1e004, 1e005, 1e006, 1e007, 1e008, 1e009, //
-    1e010, 1e011, 1e012, 1e013, 1e014, 1e015, 1e016, 1e017, 1e018, 1e019, //
-    1e020, 1e021, 1e022, 1e023, 1e024, 1e025, 1e026, 1e027, 1e028, 1e029, //
-    1e030, 1e031, 1e032, 1e033, 1e034, 1e035, 1e036, 1e037, 1e038, 1e039, //
-    1e040, 1e041, 1e042, 1e043, 1e044, 1e045, 1e046, 1e047, 1e048, 1e049, //
-    1e050, 1e051, 1e052, 1e053, 1e054, 1e055, 1e056, 1e057, 1e058, 1e059, //
-    1e060, 1e061, 1e062, 1e063, 1e064, 1e065, 1e066, 1e067, 1e068, 1e069, //
-    1e070, 1e071, 1e072, 1e073, 1e074, 1e075, 1e076, 1e077, 1e078, 1e079, //
-    1e080, 1e081, 1e082, 1e083, 1e084, 1e085, 1e086, 1e087, 1e088, 1e089, //
-    1e090, 1e091, 1e092, 1e093, 1e094, 1e095, 1e096, 1e097, 1e098, 1e099, //
-    1e100, 1e101, 1e102, 1e103, 1e104, 1e105, 1e106, 1e107, 1e108, 1e109, //
-    1e110, 1e111, 1e112, 1e113, 1e114, 1e115, 1e116, 1e117, 1e118, 1e119, //
-    1e120, 1e121, 1e122, 1e123, 1e124, 1e125, 1e126, 1e127, 1e128, 1e129, //
-    1e130, 1e131, 1e132, 1e133, 1e134, 1e135, 1e136, 1e137, 1e138, 1e139, //
-    1e140, 1e141, 1e142, 1e143, 1e144, 1e145, 1e146, 1e147, 1e148, 1e149, //
-    1e150, 1e151, 1e152, 1e153, 1e154, 1e155, 1e156, 1e157, 1e158, 1e159, //
-    1e160, 1e161, 1e162, 1e163, 1e164, 1e165, 1e166, 1e167, 1e168, 1e169, //
-    1e170, 1e171, 1e172, 1e173, 1e174, 1e175, 1e176, 1e177, 1e178, 1e179, //
-    1e180, 1e181, 1e182, 1e183, 1e184, 1e185, 1e186, 1e187, 1e188, 1e189, //
-    1e190, 1e191, 1e192, 1e193, 1e194, 1e195, 1e196, 1e197, 1e198, 1e199, //
-    1e200, 1e201, 1e202, 1e203, 1e204, 1e205, 1e206, 1e207, 1e208, 1e209, //
-    1e210, 1e211, 1e212, 1e213, 1e214, 1e215, 1e216, 1e217, 1e218, 1e219, //
-    1e220, 1e221, 1e222, 1e223, 1e224, 1e225, 1e226, 1e227, 1e228, 1e229, //
-    1e230, 1e231, 1e232, 1e233, 1e234, 1e235, 1e236, 1e237, 1e238, 1e239, //
-    1e240, 1e241, 1e242, 1e243, 1e244, 1e245, 1e246, 1e247, 1e248, 1e249, //
-    1e250, 1e251, 1e252, 1e253, 1e254, 1e255, 1e256, 1e257, 1e258, 1e259, //
-    1e260, 1e261, 1e262, 1e263, 1e264, 1e265, 1e266, 1e267, 1e268, 1e269, //
-    1e270, 1e271, 1e272, 1e273, 1e274, 1e275, 1e276, 1e277, 1e278, 1e279, //
-    1e280, 1e281, 1e282, 1e283, 1e284, 1e285, 1e286, 1e287, 1e288, 1e289, //
-    1e290, 1e291, 1e292, 1e293, 1e294, 1e295, 1e296, 1e297, 1e298, 1e299, //
-    1e300, 1e301, 1e302, 1e303, 1e304, 1e305, 1e306, 1e307, 1e308,
-];
-
-macro_rules! deserialize_number {
-    ($method:ident) => {
-        deserialize_number!($method, deserialize_number);
-    };
-
-    ($method:ident, $using:ident) => {
-        fn $method<V>(self, visitor: V) -> Result<V::Value>
-        where
-            V: de::Visitor<'de>,
-        {
-            self.$using(visitor)
-        }
-    };
-}
-
-#[cfg(not(feature = "unbounded_depth"))]
-macro_rules! if_checking_recursion_limit {
-    ($($body:tt)*) => {
-        $($body)*
-    };
-}
-
-#[cfg(feature = "unbounded_depth")]
-macro_rules! if_checking_recursion_limit {
-    ($this:ident $($body:tt)*) => {
-        if !$this.disable_recursion_limit {
-            $this $($body)*
-        }
-    };
-}
-
-macro_rules! check_recursion {
-    ($this:ident $($body:tt)*) => {
-        if_checking_recursion_limit! {
-            $this.remaining_depth -= 1;
-            if $this.remaining_depth == 0 {
-                return Err($this.peek_error(ErrorCode::RecursionLimitExceeded));
-            }
-        }
-
-        $this $($body)*
-
-        if_checking_recursion_limit! {
-            $this.remaining_depth += 1;
-        }
-    };
-}
-
-impl<'de, 'a, R: Read<'de>> de::Deserializer<'de> for &'a mut Deserializer<R> {
-    type Error = Error;
-
-    #[inline]
-    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'n' => {
-                self.eat_char();
-                tri!(self.parse_ident(b"ull"));
-                visitor.visit_unit()
-            }
-            b't' => {
-                self.eat_char();
-                tri!(self.parse_ident(b"rue"));
-                visitor.visit_bool(true)
-            }
-            b'f' => {
-                self.eat_char();
-                tri!(self.parse_ident(b"alse"));
-                visitor.visit_bool(false)
-            }
-            b'-' => {
-                self.eat_char();
-                tri!(self.parse_any_number(false)).visit(visitor)
-            }
-            b'0'..=b'9' => tri!(self.parse_any_number(true)).visit(visitor),
-            b'"' => {
-                self.eat_char();
-                self.scratch.clear();
-                match tri!(self.read.parse_str(&mut self.scratch)) {
-                    Reference::Borrowed(s) => visitor.visit_borrowed_str(s),
-                    Reference::Copied(s) => visitor.visit_str(s),
-                }
-            }
-            b'[' => {
-                check_recursion! {
-                    self.eat_char();
-                    let ret = visitor.visit_seq(SeqAccess::new(self));
-                }
-
-                match (ret, self.end_seq()) {
-                    (Ok(ret), Ok(())) => Ok(ret),
-                    (Err(err), _) | (_, Err(err)) => Err(err),
-                }
-            }
-            b'{' => {
-                check_recursion! {
-                    self.eat_char();
-                    let ret = visitor.visit_map(MapAccess::new(self));
-                }
-
-                match (ret, self.end_map()) {
-                    (Ok(ret), Ok(())) => Ok(ret),
-                    (Err(err), _) | (_, Err(err)) => Err(err),
-                }
-            }
-            _ => Err(self.peek_error(ErrorCode::ExpectedSomeValue)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            // The de::Error impl creates errors with unknown line and column.
-            // Fill in the position here by looking at the current index in the
-            // input. There is no way to tell whether this should call `error`
-            // or `peek_error` so pick the one that seems correct more often.
-            // Worst case, the position is off by one character.
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b't' => {
-                self.eat_char();
-                tri!(self.parse_ident(b"rue"));
-                visitor.visit_bool(true)
-            }
-            b'f' => {
-                self.eat_char();
-                tri!(self.parse_ident(b"alse"));
-                visitor.visit_bool(false)
-            }
-            _ => Err(self.peek_invalid_type(&visitor)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    deserialize_number!(deserialize_i8);
-    deserialize_number!(deserialize_i16);
-    deserialize_number!(deserialize_i32);
-    deserialize_number!(deserialize_i64);
-    deserialize_number!(deserialize_u8);
-    deserialize_number!(deserialize_u16);
-    deserialize_number!(deserialize_u32);
-    deserialize_number!(deserialize_u64);
-    #[cfg(not(feature = "float_roundtrip"))]
-    deserialize_number!(deserialize_f32);
-    deserialize_number!(deserialize_f64);
-
-    #[cfg(feature = "float_roundtrip")]
-    deserialize_number!(deserialize_f32, do_deserialize_f32);
-    deserialize_number!(deserialize_i128, do_deserialize_i128);
-    deserialize_number!(deserialize_u128, do_deserialize_u128);
-
-    fn deserialize_char<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.deserialize_str(visitor)
-    }
-
-    fn deserialize_str<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'"' => {
-                self.eat_char();
-                self.scratch.clear();
-                match tri!(self.read.parse_str(&mut self.scratch)) {
-                    Reference::Borrowed(s) => visitor.visit_borrowed_str(s),
-                    Reference::Copied(s) => visitor.visit_str(s),
-                }
-            }
-            _ => Err(self.peek_invalid_type(&visitor)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    fn deserialize_string<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.deserialize_str(visitor)
-    }
-
-    /// Parses a JSON string as bytes. Note that this function does not check
-    /// whether the bytes represent a valid UTF-8 string.
-    ///
-    /// The relevant part of the JSON specification is Section 8.2 of [RFC
-    /// 7159]:
-    ///
-    /// > When all the strings represented in a JSON text are composed entirely
-    /// > of Unicode characters (however escaped), then that JSON text is
-    /// > interoperable in the sense that all software implementations that
-    /// > parse it will agree on the contents of names and of string values in
-    /// > objects and arrays.
-    /// >
-    /// > However, the ABNF in this specification allows member names and string
-    /// > values to contain bit sequences that cannot encode Unicode characters;
-    /// > for example, "\uDEAD" (a single unpaired UTF-16 surrogate). Instances
-    /// > of this have been observed, for example, when a library truncates a
-    /// > UTF-16 string without checking whether the truncation split a
-    /// > surrogate pair.  The behavior of software that receives JSON texts
-    /// > containing such values is unpredictable; for example, implementations
-    /// > might return different values for the length of a string value or even
-    /// > suffer fatal runtime exceptions.
-    ///
-    /// [RFC 7159]: https://tools.ietf.org/html/rfc7159
-    ///
-    /// The behavior of serde_json is specified to fail on non-UTF-8 strings
-    /// when deserializing into Rust UTF-8 string types such as String, and
-    /// succeed with non-UTF-8 bytes when deserializing using this method.
-    ///
-    /// Escape sequences are processed as usual, and for `\uXXXX` escapes it is
-    /// still checked if the hex number represents a valid Unicode code point.
-    ///
-    /// # Examples
-    ///
-    /// You can use this to parse JSON strings containing invalid UTF-8 bytes,
-    /// or unpaired surrogates.
-    ///
-    /// ```
-    /// use serde_bytes::ByteBuf;
-    ///
-    /// fn look_at_bytes() -> Result<(), serde_json::Error> {
-    ///     let json_data = b"\"some bytes: \xe5\x00\xe5\"";
-    ///     let bytes: ByteBuf = serde_json::from_slice(json_data)?;
-    ///
-    ///     assert_eq!(b'\xe5', bytes[12]);
-    ///     assert_eq!(b'\0', bytes[13]);
-    ///     assert_eq!(b'\xe5', bytes[14]);
-    ///
-    ///     Ok(())
-    /// }
-    /// #
-    /// # look_at_bytes().unwrap();
-    /// ```
-    ///
-    /// Backslash escape sequences like `\n` are still interpreted and required
-    /// to be valid. `\u` escape sequences are required to represent a valid
-    /// Unicode code point or lone surrogate.
-    ///
-    /// ```
-    /// use serde_bytes::ByteBuf;
-    ///
-    /// fn look_at_bytes() -> Result<(), serde_json::Error> {
-    ///     let json_data = b"\"lone surrogate: \\uD801\"";
-    ///     let bytes: ByteBuf = serde_json::from_slice(json_data)?;
-    ///     let expected = b"lone surrogate: \xED\xA0\x81";
-    ///     assert_eq!(expected, bytes.as_slice());
-    ///     Ok(())
-    /// }
-    /// #
-    /// # look_at_bytes();
-    /// ```
-    fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'"' => {
-                self.eat_char();
-                self.scratch.clear();
-                match tri!(self.read.parse_str_raw(&mut self.scratch)) {
-                    Reference::Borrowed(b) => visitor.visit_borrowed_bytes(b),
-                    Reference::Copied(b) => visitor.visit_bytes(b),
-                }
-            }
-            b'[' => self.deserialize_seq(visitor),
-            _ => Err(self.peek_invalid_type(&visitor)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    #[inline]
-    fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.deserialize_bytes(visitor)
-    }
-
-    /// Parses a `null` as a None, and any other values as a `Some(...)`.
-    #[inline]
-    fn deserialize_option<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        match tri!(self.parse_whitespace()) {
-            Some(b'n') => {
-                self.eat_char();
-                tri!(self.parse_ident(b"ull"));
-                visitor.visit_none()
-            }
-            _ => visitor.visit_some(self),
-        }
-    }
-
-    fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'n' => {
-                self.eat_char();
-                tri!(self.parse_ident(b"ull"));
-                visitor.visit_unit()
-            }
-            _ => Err(self.peek_invalid_type(&visitor)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    fn deserialize_unit_struct<V>(self, _name: &'static str, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.deserialize_unit(visitor)
-    }
-
-    /// Parses a newtype struct as the underlying value.
-    #[inline]
-    fn deserialize_newtype_struct<V>(self, name: &str, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        #[cfg(feature = "raw_value")]
-        {
-            if name == crate::raw::TOKEN {
-                return self.deserialize_raw_value(visitor);
-            }
-        }
-
-        let _ = name;
-        visitor.visit_newtype_struct(self)
-    }
-
-    fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'[' => {
-                check_recursion! {
-                    self.eat_char();
-                    let ret = visitor.visit_seq(SeqAccess::new(self));
-                }
-
-                match (ret, self.end_seq()) {
-                    (Ok(ret), Ok(())) => Ok(ret),
-                    (Err(err), _) | (_, Err(err)) => Err(err),
-                }
-            }
-            _ => Err(self.peek_invalid_type(&visitor)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.deserialize_seq(visitor)
-    }
-
-    fn deserialize_tuple_struct<V>(
-        self,
-        _name: &'static str,
-        _len: usize,
-        visitor: V,
-    ) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.deserialize_seq(visitor)
-    }
-
-    fn deserialize_map<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'{' => {
-                check_recursion! {
-                    self.eat_char();
-                    let ret = visitor.visit_map(MapAccess::new(self));
-                }
-
-                match (ret, self.end_map()) {
-                    (Ok(ret), Ok(())) => Ok(ret),
-                    (Err(err), _) | (_, Err(err)) => Err(err),
-                }
-            }
-            _ => Err(self.peek_invalid_type(&visitor)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    fn deserialize_struct<V>(
-        self,
-        _name: &'static str,
-        _fields: &'static [&'static str],
-        visitor: V,
-    ) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        let peek = match tri!(self.parse_whitespace()) {
-            Some(b) => b,
-            None => {
-                return Err(self.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b'[' => {
-                check_recursion! {
-                    self.eat_char();
-                    let ret = visitor.visit_seq(SeqAccess::new(self));
-                }
-
-                match (ret, self.end_seq()) {
-                    (Ok(ret), Ok(())) => Ok(ret),
-                    (Err(err), _) | (_, Err(err)) => Err(err),
-                }
-            }
-            b'{' => {
-                check_recursion! {
-                    self.eat_char();
-                    let ret = visitor.visit_map(MapAccess::new(self));
-                }
-
-                match (ret, self.end_map()) {
-                    (Ok(ret), Ok(())) => Ok(ret),
-                    (Err(err), _) | (_, Err(err)) => Err(err),
-                }
-            }
-            _ => Err(self.peek_invalid_type(&visitor)),
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.fix_position(err)),
-        }
-    }
-
-    /// Parses an enum as an object like `{"$KEY":$VALUE}`, where $VALUE is either a straight
-    /// value, a `[..]`, or a `{..}`.
-    #[inline]
-    fn deserialize_enum<V>(
-        self,
-        _name: &str,
-        _variants: &'static [&'static str],
-        visitor: V,
-    ) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        match tri!(self.parse_whitespace()) {
-            Some(b'{') => {
-                check_recursion! {
-                    self.eat_char();
-                    let value = tri!(visitor.visit_enum(VariantAccess::new(self)));
-                }
-
-                match tri!(self.parse_whitespace()) {
-                    Some(b'}') => {
-                        self.eat_char();
-                        Ok(value)
-                    }
-                    Some(_) => Err(self.error(ErrorCode::ExpectedSomeValue)),
-                    None => Err(self.error(ErrorCode::EofWhileParsingObject)),
-                }
-            }
-            Some(b'"') => visitor.visit_enum(UnitVariantAccess::new(self)),
-            Some(_) => Err(self.peek_error(ErrorCode::ExpectedSomeValue)),
-            None => Err(self.peek_error(ErrorCode::EofWhileParsingValue)),
-        }
-    }
-
-    fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.deserialize_str(visitor)
-    }
-
-    fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        tri!(self.ignore_value());
-        visitor.visit_unit()
-    }
-}
-
-struct SeqAccess<'a, R: 'a> {
-    de: &'a mut Deserializer<R>,
-    first: bool,
-}
-
-impl<'a, R: 'a> SeqAccess<'a, R> {
-    fn new(de: &'a mut Deserializer<R>) -> Self {
-        SeqAccess { de, first: true }
-    }
-}
-
-impl<'de, 'a, R: Read<'de> + 'a> de::SeqAccess<'de> for SeqAccess<'a, R> {
-    type Error = Error;
-
-    fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>>
-    where
-        T: de::DeserializeSeed<'de>,
-    {
-        let peek = match tri!(self.de.parse_whitespace()) {
-            Some(b']') => {
-                return Ok(None);
-            }
-            Some(b',') if !self.first => {
-                self.de.eat_char();
-                tri!(self.de.parse_whitespace())
-            }
-            Some(b) => {
-                if self.first {
-                    self.first = false;
-                    Some(b)
-                } else {
-                    return Err(self.de.peek_error(ErrorCode::ExpectedListCommaOrEnd));
-                }
-            }
-            None => {
-                return Err(self.de.peek_error(ErrorCode::EofWhileParsingList));
-            }
-        };
-
-        match peek {
-            Some(b']') => Err(self.de.peek_error(ErrorCode::TrailingComma)),
-            Some(_) => Ok(Some(tri!(seed.deserialize(&mut *self.de)))),
-            None => Err(self.de.peek_error(ErrorCode::EofWhileParsingValue)),
-        }
-    }
-}
-
-struct MapAccess<'a, R: 'a> {
-    de: &'a mut Deserializer<R>,
-    first: bool,
-}
-
-impl<'a, R: 'a> MapAccess<'a, R> {
-    fn new(de: &'a mut Deserializer<R>) -> Self {
-        MapAccess { de, first: true }
-    }
-}
-
-impl<'de, 'a, R: Read<'de> + 'a> de::MapAccess<'de> for MapAccess<'a, R> {
-    type Error = Error;
-
-    fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>>
-    where
-        K: de::DeserializeSeed<'de>,
-    {
-        let peek = match tri!(self.de.parse_whitespace()) {
-            Some(b'}') => {
-                return Ok(None);
-            }
-            Some(b',') if !self.first => {
-                self.de.eat_char();
-                tri!(self.de.parse_whitespace())
-            }
-            Some(b) => {
-                if self.first {
-                    self.first = false;
-                    Some(b)
-                } else {
-                    return Err(self.de.peek_error(ErrorCode::ExpectedObjectCommaOrEnd));
-                }
-            }
-            None => {
-                return Err(self.de.peek_error(ErrorCode::EofWhileParsingObject));
-            }
-        };
-
-        match peek {
-            Some(b'"') => seed.deserialize(MapKey { de: &mut *self.de }).map(Some),
-            Some(b'}') => Err(self.de.peek_error(ErrorCode::TrailingComma)),
-            Some(_) => Err(self.de.peek_error(ErrorCode::KeyMustBeAString)),
-            None => Err(self.de.peek_error(ErrorCode::EofWhileParsingValue)),
-        }
-    }
-
-    fn next_value_seed<V>(&mut self, seed: V) -> Result<V::Value>
-    where
-        V: de::DeserializeSeed<'de>,
-    {
-        tri!(self.de.parse_object_colon());
-
-        seed.deserialize(&mut *self.de)
-    }
-}
-
-struct VariantAccess<'a, R: 'a> {
-    de: &'a mut Deserializer<R>,
-}
-
-impl<'a, R: 'a> VariantAccess<'a, R> {
-    fn new(de: &'a mut Deserializer<R>) -> Self {
-        VariantAccess { de }
-    }
-}
-
-impl<'de, 'a, R: Read<'de> + 'a> de::EnumAccess<'de> for VariantAccess<'a, R> {
-    type Error = Error;
-    type Variant = Self;
-
-    fn variant_seed<V>(self, seed: V) -> Result<(V::Value, Self)>
-    where
-        V: de::DeserializeSeed<'de>,
-    {
-        let val = tri!(seed.deserialize(&mut *self.de));
-        tri!(self.de.parse_object_colon());
-        Ok((val, self))
-    }
-}
-
-impl<'de, 'a, R: Read<'de> + 'a> de::VariantAccess<'de> for VariantAccess<'a, R> {
-    type Error = Error;
-
-    fn unit_variant(self) -> Result<()> {
-        de::Deserialize::deserialize(self.de)
-    }
-
-    fn newtype_variant_seed<T>(self, seed: T) -> Result<T::Value>
-    where
-        T: de::DeserializeSeed<'de>,
-    {
-        seed.deserialize(self.de)
-    }
-
-    fn tuple_variant<V>(self, _len: usize, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        de::Deserializer::deserialize_seq(self.de, visitor)
-    }
-
-    fn struct_variant<V>(self, fields: &'static [&'static str], visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        de::Deserializer::deserialize_struct(self.de, "", fields, visitor)
-    }
-}
-
-struct UnitVariantAccess<'a, R: 'a> {
-    de: &'a mut Deserializer<R>,
-}
-
-impl<'a, R: 'a> UnitVariantAccess<'a, R> {
-    fn new(de: &'a mut Deserializer<R>) -> Self {
-        UnitVariantAccess { de }
-    }
-}
-
-impl<'de, 'a, R: Read<'de> + 'a> de::EnumAccess<'de> for UnitVariantAccess<'a, R> {
-    type Error = Error;
-    type Variant = Self;
-
-    fn variant_seed<V>(self, seed: V) -> Result<(V::Value, Self)>
-    where
-        V: de::DeserializeSeed<'de>,
-    {
-        let variant = tri!(seed.deserialize(&mut *self.de));
-        Ok((variant, self))
-    }
-}
-
-impl<'de, 'a, R: Read<'de> + 'a> de::VariantAccess<'de> for UnitVariantAccess<'a, R> {
-    type Error = Error;
-
-    fn unit_variant(self) -> Result<()> {
-        Ok(())
-    }
-
-    fn newtype_variant_seed<T>(self, _seed: T) -> Result<T::Value>
-    where
-        T: de::DeserializeSeed<'de>,
-    {
-        Err(de::Error::invalid_type(
-            Unexpected::UnitVariant,
-            &"newtype variant",
-        ))
-    }
-
-    fn tuple_variant<V>(self, _len: usize, _visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        Err(de::Error::invalid_type(
-            Unexpected::UnitVariant,
-            &"tuple variant",
-        ))
-    }
-
-    fn struct_variant<V>(self, _fields: &'static [&'static str], _visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        Err(de::Error::invalid_type(
-            Unexpected::UnitVariant,
-            &"struct variant",
-        ))
-    }
-}
-
-/// Only deserialize from this after peeking a '"' byte! Otherwise it may
-/// deserialize invalid JSON successfully.
-struct MapKey<'a, R: 'a> {
-    de: &'a mut Deserializer<R>,
-}
-
-macro_rules! deserialize_numeric_key {
-    ($method:ident) => {
-        fn $method<V>(self, visitor: V) -> Result<V::Value>
-        where
-            V: de::Visitor<'de>,
-        {
-            self.deserialize_number(visitor)
-        }
-    };
-
-    ($method:ident, $delegate:ident) => {
-        fn $method<V>(self, visitor: V) -> Result<V::Value>
-        where
-            V: de::Visitor<'de>,
-        {
-            self.de.eat_char();
-
-            match tri!(self.de.peek()) {
-                Some(b'0'..=b'9' | b'-') => {}
-                _ => return Err(self.de.error(ErrorCode::ExpectedNumericKey)),
-            }
-
-            let value = tri!(self.de.$delegate(visitor));
-
-            match tri!(self.de.peek()) {
-                Some(b'"') => self.de.eat_char(),
-                _ => return Err(self.de.peek_error(ErrorCode::ExpectedDoubleQuote)),
-            }
-
-            Ok(value)
-        }
-    };
-}
-
-impl<'de, 'a, R> MapKey<'a, R>
-where
-    R: Read<'de>,
-{
-    deserialize_numeric_key!(deserialize_number, deserialize_number);
-}
-
-impl<'de, 'a, R> de::Deserializer<'de> for MapKey<'a, R>
-where
-    R: Read<'de>,
-{
-    type Error = Error;
-
-    #[inline]
-    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.de.eat_char();
-        self.de.scratch.clear();
-        match tri!(self.de.read.parse_str(&mut self.de.scratch)) {
-            Reference::Borrowed(s) => visitor.visit_borrowed_str(s),
-            Reference::Copied(s) => visitor.visit_str(s),
-        }
-    }
-
-    deserialize_numeric_key!(deserialize_i8);
-    deserialize_numeric_key!(deserialize_i16);
-    deserialize_numeric_key!(deserialize_i32);
-    deserialize_numeric_key!(deserialize_i64);
-    deserialize_numeric_key!(deserialize_i128, deserialize_i128);
-    deserialize_numeric_key!(deserialize_u8);
-    deserialize_numeric_key!(deserialize_u16);
-    deserialize_numeric_key!(deserialize_u32);
-    deserialize_numeric_key!(deserialize_u64);
-    deserialize_numeric_key!(deserialize_u128, deserialize_u128);
-    #[cfg(not(feature = "float_roundtrip"))]
-    deserialize_numeric_key!(deserialize_f32);
-    #[cfg(feature = "float_roundtrip")]
-    deserialize_numeric_key!(deserialize_f32, deserialize_f32);
-    deserialize_numeric_key!(deserialize_f64);
-
-    fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.de.eat_char();
-
-        let peek = match tri!(self.de.next_char()) {
-            Some(b) => b,
-            None => {
-                return Err(self.de.peek_error(ErrorCode::EofWhileParsingValue));
-            }
-        };
-
-        let value = match peek {
-            b't' => {
-                tri!(self.de.parse_ident(b"rue\""));
-                visitor.visit_bool(true)
-            }
-            b'f' => {
-                tri!(self.de.parse_ident(b"alse\""));
-                visitor.visit_bool(false)
-            }
-            _ => {
-                self.de.scratch.clear();
-                let s = tri!(self.de.read.parse_str(&mut self.de.scratch));
-                Err(de::Error::invalid_type(Unexpected::Str(&s), &visitor))
-            }
-        };
-
-        match value {
-            Ok(value) => Ok(value),
-            Err(err) => Err(self.de.fix_position(err)),
-        }
-    }
-
-    #[inline]
-    fn deserialize_option<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        // Map keys cannot be null.
-        visitor.visit_some(self)
-    }
-
-    #[inline]
-    fn deserialize_newtype_struct<V>(self, name: &'static str, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        #[cfg(feature = "raw_value")]
-        {
-            if name == crate::raw::TOKEN {
-                return self.de.deserialize_raw_value(visitor);
-            }
-        }
-
-        let _ = name;
-        visitor.visit_newtype_struct(self)
-    }
-
-    #[inline]
-    fn deserialize_enum<V>(
-        self,
-        name: &'static str,
-        variants: &'static [&'static str],
-        visitor: V,
-    ) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.de.deserialize_enum(name, variants, visitor)
-    }
-
-    #[inline]
-    fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.de.deserialize_bytes(visitor)
-    }
-
-    #[inline]
-    fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value>
-    where
-        V: de::Visitor<'de>,
-    {
-        self.de.deserialize_bytes(visitor)
-    }
-
-    forward_to_deserialize_any! {
-        char str string unit unit_struct seq tuple tuple_struct map struct
-        identifier ignored_any
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-/// Iterator that deserializes a stream into multiple JSON values.
-///
-/// A stream deserializer can be created from any JSON deserializer using the
-/// `Deserializer::into_iter` method.
-///
-/// The data can consist of any JSON value. Values need to be a self-delineating value e.g.
-/// arrays, objects, or strings, or be followed by whitespace or a self-delineating value.
-///
-/// ```
-/// use serde_json::{Deserializer, Value};
-///
-/// fn main() {
-///     let data = "{\"k\": 3}1\"cool\"\"stuff\" 3{}  [0, 1, 2]";
-///
-///     let stream = Deserializer::from_str(data).into_iter::<Value>();
-///
-///     for value in stream {
-///         println!("{}", value.unwrap());
-///     }
-/// }
-/// ```
-pub struct StreamDeserializer<'de, R, T> {
-    de: Deserializer<R>,
-    offset: usize,
-    failed: bool,
-    output: PhantomData<T>,
-    lifetime: PhantomData<&'de ()>,
-}
-
-impl<'de, R, T> StreamDeserializer<'de, R, T>
-where
-    R: read::Read<'de>,
-    T: de::Deserialize<'de>,
-{
-    /// Create a JSON stream deserializer from one of the possible serde_json
-    /// input sources.
-    ///
-    /// Typically it is more convenient to use one of these methods instead:
-    ///
-    ///   - Deserializer::from_str(...).into_iter()
-    ///   - Deserializer::from_slice(...).into_iter()
-    ///   - Deserializer::from_reader(...).into_iter()
-    pub fn new(read: R) -> Self {
-        let offset = read.byte_offset();
-        StreamDeserializer {
-            de: Deserializer::new(read),
-            offset,
-            failed: false,
-            output: PhantomData,
-            lifetime: PhantomData,
-        }
-    }
-
-    /// Returns the number of bytes so far deserialized into a successful `T`.
-    ///
-    /// If a stream deserializer returns an EOF error, new data can be joined to
-    /// `old_data[stream.byte_offset()..]` to try again.
-    ///
-    /// ```
-    /// let data = b"[0] [1] [";
-    ///
-    /// let de = serde_json::Deserializer::from_slice(data);
-    /// let mut stream = de.into_iter::<Vec<i32>>();
-    /// assert_eq!(0, stream.byte_offset());
-    ///
-    /// println!("{:?}", stream.next()); // [0]
-    /// assert_eq!(3, stream.byte_offset());
-    ///
-    /// println!("{:?}", stream.next()); // [1]
-    /// assert_eq!(7, stream.byte_offset());
-    ///
-    /// println!("{:?}", stream.next()); // error
-    /// assert_eq!(8, stream.byte_offset());
-    ///
-    /// // If err.is_eof(), can join the remaining data to new data and continue.
-    /// let remaining = &data[stream.byte_offset()..];
-    /// ```
-    ///
-    /// *Note:* In the future this method may be changed to return the number of
-    /// bytes so far deserialized into a successful T *or* syntactically valid
-    /// JSON skipped over due to a type error. See [serde-rs/json#70] for an
-    /// example illustrating this.
-    ///
-    /// [serde-rs/json#70]: https://github.com/serde-rs/json/issues/70
-    pub fn byte_offset(&self) -> usize {
-        self.offset
-    }
-
-    fn peek_end_of_value(&mut self) -> Result<()> {
-        match tri!(self.de.peek()) {
-            Some(b' ' | b'\n' | b'\t' | b'\r' | b'"' | b'[' | b']' | b'{' | b'}' | b',' | b':')
-            | None => Ok(()),
-            Some(_) => {
-                let position = self.de.read.peek_position();
-                Err(Error::syntax(
-                    ErrorCode::TrailingCharacters,
-                    position.line,
-                    position.column,
-                ))
-            }
-        }
-    }
-}
-
-impl<'de, R, T> Iterator for StreamDeserializer<'de, R, T>
-where
-    R: Read<'de>,
-    T: de::Deserialize<'de>,
-{
-    type Item = Result<T>;
-
-    fn next(&mut self) -> Option<Result<T>> {
-        if R::should_early_return_if_failed && self.failed {
-            return None;
-        }
-
-        // skip whitespaces, if any
-        // this helps with trailing whitespaces, since whitespaces between
-        // values are handled for us.
-        match self.de.parse_whitespace() {
-            Ok(None) => {
-                self.offset = self.de.read.byte_offset();
-                None
-            }
-            Ok(Some(b)) => {
-                // If the value does not have a clear way to show the end of the value
-                // (like numbers, null, true etc.) we have to look for whitespace or
-                // the beginning of a self-delineated value.
-                let self_delineated_value = match b {
-                    b'[' | b'"' | b'{' => true,
-                    _ => false,
-                };
-                self.offset = self.de.read.byte_offset();
-                let result = de::Deserialize::deserialize(&mut self.de);
-
-                Some(match result {
-                    Ok(value) => {
-                        self.offset = self.de.read.byte_offset();
-                        if self_delineated_value {
-                            Ok(value)
-                        } else {
-                            self.peek_end_of_value().map(|()| value)
-                        }
-                    }
-                    Err(e) => {
-                        self.de.read.set_failed(&mut self.failed);
-                        Err(e)
-                    }
-                })
-            }
-            Err(e) => {
-                self.de.read.set_failed(&mut self.failed);
-                Some(Err(e))
-            }
-        }
-    }
-}
-
-impl<'de, R, T> FusedIterator for StreamDeserializer<'de, R, T>
-where
-    R: Read<'de> + Fused,
-    T: de::Deserialize<'de>,
-{
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-fn from_trait<'de, R, T>(read: R) -> Result<T>
-where
-    R: Read<'de>,
-    T: de::Deserialize<'de>,
-{
-    let mut de = Deserializer::new(read);
-    let value = tri!(de::Deserialize::deserialize(&mut de));
-
-    // Make sure the whole stream has been consumed.
-    tri!(de.end());
-    Ok(value)
-}
-
-/// Deserialize an instance of type `T` from an I/O stream of JSON.
-///
-/// The content of the I/O stream is deserialized directly from the stream
-/// without being buffered in memory by serde_json.
-///
-/// When reading from a source against which short reads are not efficient, such
-/// as a [`File`], you will want to apply your own buffering because serde_json
-/// will not buffer the input. See [`std::io::BufReader`].
-///
-/// It is expected that the input stream ends after the deserialized object.
-/// If the stream does not end, such as in the case of a persistent socket connection,
-/// this function will not return. It is possible instead to deserialize from a prefix of an input
-/// stream without looking for EOF by managing your own [`Deserializer`].
-///
-/// Note that counter to intuition, this function is usually slower than
-/// reading a file completely into memory and then applying [`from_str`]
-/// or [`from_slice`] on it. See [issue #160].
-///
-/// [`File`]: https://doc.rust-lang.org/std/fs/struct.File.html
-/// [`std::io::BufReader`]: https://doc.rust-lang.org/std/io/struct.BufReader.html
-/// [`from_str`]: ./fn.from_str.html
-/// [`from_slice`]: ./fn.from_slice.html
-/// [issue #160]: https://github.com/serde-rs/json/issues/160
-///
-/// # Example
-///
-/// Reading the contents of a file.
-///
-/// ```
-/// use serde::Deserialize;
-///
-/// use std::error::Error;
-/// use std::fs::File;
-/// use std::io::BufReader;
-/// use std::path::Path;
-///
-/// #[derive(Deserialize, Debug)]
-/// struct User {
-///     fingerprint: String,
-///     location: String,
-/// }
-///
-/// fn read_user_from_file<P: AsRef<Path>>(path: P) -> Result<User, Box<dyn Error>> {
-///     // Open the file in read-only mode with buffer.
-///     let file = File::open(path)?;
-///     let reader = BufReader::new(file);
-///
-///     // Read the JSON contents of the file as an instance of `User`.
-///     let u = serde_json::from_reader(reader)?;
-///
-///     // Return the `User`.
-///     Ok(u)
-/// }
-///
-/// fn main() {
-/// # }
-/// # fn fake_main() {
-///     let u = read_user_from_file("test.json").unwrap();
-///     println!("{:#?}", u);
-/// }
-/// ```
-///
-/// Reading from a persistent socket connection.
-///
-/// ```
-/// use serde::Deserialize;
-///
-/// use std::error::Error;
-/// use std::net::{TcpListener, TcpStream};
-///
-/// #[derive(Deserialize, Debug)]
-/// struct User {
-///     fingerprint: String,
-///     location: String,
-/// }
-///
-/// fn read_user_from_stream(tcp_stream: TcpStream) -> Result<User, Box<dyn Error>> {
-///     let mut de = serde_json::Deserializer::from_reader(tcp_stream);
-///     let u = User::deserialize(&mut de)?;
-///
-///     Ok(u)
-/// }
-///
-/// fn main() {
-/// # }
-/// # fn fake_main() {
-///     let listener = TcpListener::bind("127.0.0.1:4000").unwrap();
-///
-///     for stream in listener.incoming() {
-///         println!("{:#?}", read_user_from_stream(stream.unwrap()));
-///     }
-/// }
-/// ```
-///
-/// # Errors
-///
-/// This conversion can fail if the structure of the input does not match the
-/// structure expected by `T`, for example if `T` is a struct type but the input
-/// contains something other than a JSON map. It can also fail if the structure
-/// is correct but `T`'s implementation of `Deserialize` decides that something
-/// is wrong with the data, for example required struct fields are missing from
-/// the JSON map or some number is too big to fit in the expected primitive
-/// type.
-#[cfg(feature = "std")]
-#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
-pub fn from_reader<R, T>(rdr: R) -> Result<T>
-where
-    R: crate::io::Read,
-    T: de::DeserializeOwned,
-{
-    from_trait(read::IoRead::new(rdr))
-}
-
-/// Deserialize an instance of type `T` from bytes of JSON text.
-///
-/// # Example
-///
-/// ```
-/// use serde::Deserialize;
-///
-/// #[derive(Deserialize, Debug)]
-/// struct User {
-///     fingerprint: String,
-///     location: String,
-/// }
-///
-/// fn main() {
-///     // The type of `j` is `&[u8]`
-///     let j = b"
-///         {
-///             \"fingerprint\": \"0xF9BA143B95FF6D82\",
-///             \"location\": \"Menlo Park, CA\"
-///         }";
-///
-///     let u: User = serde_json::from_slice(j).unwrap();
-///     println!("{:#?}", u);
-/// }
-/// ```
-///
-/// # Errors
-///
-/// This conversion can fail if the structure of the input does not match the
-/// structure expected by `T`, for example if `T` is a struct type but the input
-/// contains something other than a JSON map. It can also fail if the structure
-/// is correct but `T`'s implementation of `Deserialize` decides that something
-/// is wrong with the data, for example required struct fields are missing from
-/// the JSON map or some number is too big to fit in the expected primitive
-/// type.
-pub fn from_slice<'a, T>(v: &'a [u8]) -> Result<T>
-where
-    T: de::Deserialize<'a>,
-{
-    from_trait(read::SliceRead::new(v))
-}
-
-/// Deserialize an instance of type `T` from a string of JSON text.
-///
-/// # Example
-///
-/// ```
-/// use serde::Deserialize;
-///
-/// #[derive(Deserialize, Debug)]
-/// struct User {
-///     fingerprint: String,
-///     location: String,
-/// }
-///
-/// fn main() {
-///     // The type of `j` is `&str`
-///     let j = "
-///         {
-///             \"fingerprint\": \"0xF9BA143B95FF6D82\",
-///             \"location\": \"Menlo Park, CA\"
-///         }";
-///
-///     let u: User = serde_json::from_str(j).unwrap();
-///     println!("{:#?}", u);
-/// }
-/// ```
-///
-/// # Errors
-///
-/// This conversion can fail if the structure of the input does not match the
-/// structure expected by `T`, for example if `T` is a struct type but the input
-/// contains something other than a JSON map. It can also fail if the structure
-/// is correct but `T`'s implementation of `Deserialize` decides that something
-/// is wrong with the data, for example required struct fields are missing from
-/// the JSON map or some number is too big to fit in the expected primitive
-/// type.
-pub fn from_str<'a, T>(s: &'a str) -> Result<T>
-where
-    T: de::Deserialize<'a>,
-{
-    from_trait(read::StrRead::new(s))
-}