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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/serde_json/src/value/from.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz
fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/serde_json/src/value/from.rs')
-rw-r--r--vendor/serde_json/src/value/from.rs278
1 files changed, 278 insertions, 0 deletions
diff --git a/vendor/serde_json/src/value/from.rs b/vendor/serde_json/src/value/from.rs
new file mode 100644
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+++ b/vendor/serde_json/src/value/from.rs
@@ -0,0 +1,278 @@
+use super::Value;
+use crate::map::Map;
+use crate::number::Number;
+use alloc::borrow::Cow;
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
+
+macro_rules! from_integer {
+ ($($ty:ident)*) => {
+ $(
+ impl From<$ty> for Value {
+ fn from(n: $ty) -> Self {
+ Value::Number(n.into())
+ }
+ }
+ )*
+ };
+}
+
+from_integer! {
+ i8 i16 i32 i64 isize
+ u8 u16 u32 u64 usize
+}
+
+#[cfg(feature = "arbitrary_precision")]
+from_integer! {
+ i128 u128
+}
+
+impl From<f32> for Value {
+ /// Convert 32-bit floating point number to `Value::Number`, or
+ /// `Value::Null` if infinite or NaN.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let f: f32 = 13.37;
+ /// let x: Value = f.into();
+ /// ```
+ fn from(f: f32) -> Self {
+ Number::from_f32(f).map_or(Value::Null, Value::Number)
+ }
+}
+
+impl From<f64> for Value {
+ /// Convert 64-bit floating point number to `Value::Number`, or
+ /// `Value::Null` if infinite or NaN.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let f: f64 = 13.37;
+ /// let x: Value = f.into();
+ /// ```
+ fn from(f: f64) -> Self {
+ Number::from_f64(f).map_or(Value::Null, Value::Number)
+ }
+}
+
+impl From<bool> for Value {
+ /// Convert boolean to `Value::Bool`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let b = false;
+ /// let x: Value = b.into();
+ /// ```
+ fn from(f: bool) -> Self {
+ Value::Bool(f)
+ }
+}
+
+impl From<String> for Value {
+ /// Convert `String` to `Value::String`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let s: String = "lorem".to_string();
+ /// let x: Value = s.into();
+ /// ```
+ fn from(f: String) -> Self {
+ Value::String(f)
+ }
+}
+
+impl From<&str> for Value {
+ /// Convert string slice to `Value::String`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let s: &str = "lorem";
+ /// let x: Value = s.into();
+ /// ```
+ fn from(f: &str) -> Self {
+ Value::String(f.to_string())
+ }
+}
+
+impl<'a> From<Cow<'a, str>> for Value {
+ /// Convert copy-on-write string to `Value::String`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ /// use std::borrow::Cow;
+ ///
+ /// let s: Cow<str> = Cow::Borrowed("lorem");
+ /// let x: Value = s.into();
+ /// ```
+ ///
+ /// ```
+ /// use serde_json::Value;
+ /// use std::borrow::Cow;
+ ///
+ /// let s: Cow<str> = Cow::Owned("lorem".to_string());
+ /// let x: Value = s.into();
+ /// ```
+ fn from(f: Cow<'a, str>) -> Self {
+ Value::String(f.into_owned())
+ }
+}
+
+impl From<Number> for Value {
+ /// Convert `Number` to `Value::Number`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::{Number, Value};
+ ///
+ /// let n = Number::from(7);
+ /// let x: Value = n.into();
+ /// ```
+ fn from(f: Number) -> Self {
+ Value::Number(f)
+ }
+}
+
+impl From<Map<String, Value>> for Value {
+ /// Convert map (with string keys) to `Value::Object`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::{Map, Value};
+ ///
+ /// let mut m = Map::new();
+ /// m.insert("Lorem".to_string(), "ipsum".into());
+ /// let x: Value = m.into();
+ /// ```
+ fn from(f: Map<String, Value>) -> Self {
+ Value::Object(f)
+ }
+}
+
+impl<T: Into<Value>> From<Vec<T>> for Value {
+ /// Convert a `Vec` to `Value::Array`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let v = vec!["lorem", "ipsum", "dolor"];
+ /// let x: Value = v.into();
+ /// ```
+ fn from(f: Vec<T>) -> Self {
+ Value::Array(f.into_iter().map(Into::into).collect())
+ }
+}
+
+impl<T: Clone + Into<Value>> From<&[T]> for Value {
+ /// Convert a slice to `Value::Array`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let v: &[&str] = &["lorem", "ipsum", "dolor"];
+ /// let x: Value = v.into();
+ /// ```
+ fn from(f: &[T]) -> Self {
+ Value::Array(f.iter().cloned().map(Into::into).collect())
+ }
+}
+
+impl<T: Into<Value>> FromIterator<T> for Value {
+ /// Create a `Value::Array` by collecting an iterator of array elements.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let v = std::iter::repeat(42).take(5);
+ /// let x: Value = v.collect();
+ /// ```
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let v: Vec<_> = vec!["lorem", "ipsum", "dolor"];
+ /// let x: Value = v.into_iter().collect();
+ /// ```
+ ///
+ /// ```
+ /// use std::iter::FromIterator;
+ /// use serde_json::Value;
+ ///
+ /// let x: Value = Value::from_iter(vec!["lorem", "ipsum", "dolor"]);
+ /// ```
+ fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self {
+ Value::Array(iter.into_iter().map(Into::into).collect())
+ }
+}
+
+impl<K: Into<String>, V: Into<Value>> FromIterator<(K, V)> for Value {
+ /// Create a `Value::Object` by collecting an iterator of key-value pairs.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let v: Vec<_> = vec![("lorem", 40), ("ipsum", 2)];
+ /// let x: Value = v.into_iter().collect();
+ /// ```
+ fn from_iter<I: IntoIterator<Item = (K, V)>>(iter: I) -> Self {
+ Value::Object(
+ iter.into_iter()
+ .map(|(k, v)| (k.into(), v.into()))
+ .collect(),
+ )
+ }
+}
+
+impl From<()> for Value {
+ /// Convert `()` to `Value::Null`.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// use serde_json::Value;
+ ///
+ /// let u = ();
+ /// let x: Value = u.into();
+ /// ```
+ fn from((): ()) -> Self {
+ Value::Null
+ }
+}
+
+impl<T> From<Option<T>> for Value
+where
+ T: Into<Value>,
+{
+ fn from(opt: Option<T>) -> Self {
+ match opt {
+ None => Value::Null,
+ Some(value) => Into::into(value),
+ }
+ }
+}