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-rw-r--r--vendor/either/src/lib.rs1530
-rw-r--r--vendor/either/src/serde_untagged.rs69
-rw-r--r--vendor/either/src/serde_untagged_optional.rs74
3 files changed, 0 insertions, 1673 deletions
diff --git a/vendor/either/src/lib.rs b/vendor/either/src/lib.rs
deleted file mode 100644
index d7fbf2c..0000000
--- a/vendor/either/src/lib.rs
+++ /dev/null
@@ -1,1530 +0,0 @@
-//! The enum [`Either`] with variants `Left` and `Right` is a general purpose
-//! sum type with two cases.
-//!
-//! [`Either`]: enum.Either.html
-//!
-//! **Crate features:**
-//!
-//! * `"use_std"`
-//! Enabled by default. Disable to make the library `#![no_std]`.
-//!
-//! * `"serde"`
-//! Disabled by default. Enable to `#[derive(Serialize, Deserialize)]` for `Either`
-//!
-
-#![doc(html_root_url = "https://docs.rs/either/1/")]
-#![no_std]
-
-#[cfg(any(test, feature = "use_std"))]
-extern crate std;
-
-#[cfg(feature = "serde")]
-pub mod serde_untagged;
-
-#[cfg(feature = "serde")]
-pub mod serde_untagged_optional;
-
-use core::convert::{AsMut, AsRef};
-use core::fmt;
-use core::future::Future;
-use core::iter;
-use core::ops::Deref;
-use core::ops::DerefMut;
-use core::pin::Pin;
-
-#[cfg(any(test, feature = "use_std"))]
-use std::error::Error;
-#[cfg(any(test, feature = "use_std"))]
-use std::io::{self, BufRead, Read, Seek, SeekFrom, Write};
-
-pub use crate::Either::{Left, Right};
-
-/// The enum `Either` with variants `Left` and `Right` is a general purpose
-/// sum type with two cases.
-///
-/// The `Either` type is symmetric and treats its variants the same way, without
-/// preference.
-/// (For representing success or error, use the regular `Result` enum instead.)
-#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-#[derive(Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
-pub enum Either<L, R> {
- /// A value of type `L`.
- Left(L),
- /// A value of type `R`.
- Right(R),
-}
-
-/// Evaluate the provided expression for both [`Either::Left`] and [`Either::Right`].
-///
-/// This macro is useful in cases where both sides of [`Either`] can be interacted with
-/// in the same way even though the don't share the same type.
-///
-/// Syntax: `either::for_both!(` *expression* `,` *pattern* `=>` *expression* `)`
-///
-/// # Example
-///
-/// ```
-/// use either::Either;
-///
-/// fn length(owned_or_borrowed: Either<String, &'static str>) -> usize {
-/// either::for_both!(owned_or_borrowed, s => s.len())
-/// }
-///
-/// fn main() {
-/// let borrowed = Either::Right("Hello world!");
-/// let owned = Either::Left("Hello world!".to_owned());
-///
-/// assert_eq!(length(borrowed), 12);
-/// assert_eq!(length(owned), 12);
-/// }
-/// ```
-#[macro_export]
-macro_rules! for_both {
- ($value:expr, $pattern:pat => $result:expr) => {
- match $value {
- $crate::Either::Left($pattern) => $result,
- $crate::Either::Right($pattern) => $result,
- }
- };
-}
-
-/// Macro for unwrapping the left side of an `Either`, which fails early
-/// with the opposite side. Can only be used in functions that return
-/// `Either` because of the early return of `Right` that it provides.
-///
-/// See also `try_right!` for its dual, which applies the same just to the
-/// right side.
-///
-/// # Example
-///
-/// ```
-/// use either::{Either, Left, Right};
-///
-/// fn twice(wrapper: Either<u32, &str>) -> Either<u32, &str> {
-/// let value = either::try_left!(wrapper);
-/// Left(value * 2)
-/// }
-///
-/// fn main() {
-/// assert_eq!(twice(Left(2)), Left(4));
-/// assert_eq!(twice(Right("ups")), Right("ups"));
-/// }
-/// ```
-#[macro_export]
-macro_rules! try_left {
- ($expr:expr) => {
- match $expr {
- $crate::Left(val) => val,
- $crate::Right(err) => return $crate::Right(::core::convert::From::from(err)),
- }
- };
-}
-
-/// Dual to `try_left!`, see its documentation for more information.
-#[macro_export]
-macro_rules! try_right {
- ($expr:expr) => {
- match $expr {
- $crate::Left(err) => return $crate::Left(::core::convert::From::from(err)),
- $crate::Right(val) => val,
- }
- };
-}
-
-impl<L: Clone, R: Clone> Clone for Either<L, R> {
- fn clone(&self) -> Self {
- match self {
- Left(inner) => Left(inner.clone()),
- Right(inner) => Right(inner.clone()),
- }
- }
-
- fn clone_from(&mut self, source: &Self) {
- match (self, source) {
- (Left(dest), Left(source)) => dest.clone_from(source),
- (Right(dest), Right(source)) => dest.clone_from(source),
- (dest, source) => *dest = source.clone(),
- }
- }
-}
-
-impl<L, R> Either<L, R> {
- /// Return true if the value is the `Left` variant.
- ///
- /// ```
- /// use either::*;
- ///
- /// let values = [Left(1), Right("the right value")];
- /// assert_eq!(values[0].is_left(), true);
- /// assert_eq!(values[1].is_left(), false);
- /// ```
- pub fn is_left(&self) -> bool {
- match *self {
- Left(_) => true,
- Right(_) => false,
- }
- }
-
- /// Return true if the value is the `Right` variant.
- ///
- /// ```
- /// use either::*;
- ///
- /// let values = [Left(1), Right("the right value")];
- /// assert_eq!(values[0].is_right(), false);
- /// assert_eq!(values[1].is_right(), true);
- /// ```
- pub fn is_right(&self) -> bool {
- !self.is_left()
- }
-
- /// Convert the left side of `Either<L, R>` to an `Option<L>`.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, ()> = Left("some value");
- /// assert_eq!(left.left(), Some("some value"));
- ///
- /// let right: Either<(), _> = Right(321);
- /// assert_eq!(right.left(), None);
- /// ```
- pub fn left(self) -> Option<L> {
- match self {
- Left(l) => Some(l),
- Right(_) => None,
- }
- }
-
- /// Convert the right side of `Either<L, R>` to an `Option<R>`.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, ()> = Left("some value");
- /// assert_eq!(left.right(), None);
- ///
- /// let right: Either<(), _> = Right(321);
- /// assert_eq!(right.right(), Some(321));
- /// ```
- pub fn right(self) -> Option<R> {
- match self {
- Left(_) => None,
- Right(r) => Some(r),
- }
- }
-
- /// Convert `&Either<L, R>` to `Either<&L, &R>`.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, ()> = Left("some value");
- /// assert_eq!(left.as_ref(), Left(&"some value"));
- ///
- /// let right: Either<(), _> = Right("some value");
- /// assert_eq!(right.as_ref(), Right(&"some value"));
- /// ```
- pub fn as_ref(&self) -> Either<&L, &R> {
- match *self {
- Left(ref inner) => Left(inner),
- Right(ref inner) => Right(inner),
- }
- }
-
- /// Convert `&mut Either<L, R>` to `Either<&mut L, &mut R>`.
- ///
- /// ```
- /// use either::*;
- ///
- /// fn mutate_left(value: &mut Either<u32, u32>) {
- /// if let Some(l) = value.as_mut().left() {
- /// *l = 999;
- /// }
- /// }
- ///
- /// let mut left = Left(123);
- /// let mut right = Right(123);
- /// mutate_left(&mut left);
- /// mutate_left(&mut right);
- /// assert_eq!(left, Left(999));
- /// assert_eq!(right, Right(123));
- /// ```
- pub fn as_mut(&mut self) -> Either<&mut L, &mut R> {
- match *self {
- Left(ref mut inner) => Left(inner),
- Right(ref mut inner) => Right(inner),
- }
- }
-
- /// Convert `Pin<&Either<L, R>>` to `Either<Pin<&L>, Pin<&R>>`,
- /// pinned projections of the inner variants.
- pub fn as_pin_ref(self: Pin<&Self>) -> Either<Pin<&L>, Pin<&R>> {
- // SAFETY: We can use `new_unchecked` because the `inner` parts are
- // guaranteed to be pinned, as they come from `self` which is pinned.
- unsafe {
- match *Pin::get_ref(self) {
- Left(ref inner) => Left(Pin::new_unchecked(inner)),
- Right(ref inner) => Right(Pin::new_unchecked(inner)),
- }
- }
- }
-
- /// Convert `Pin<&mut Either<L, R>>` to `Either<Pin<&mut L>, Pin<&mut R>>`,
- /// pinned projections of the inner variants.
- pub fn as_pin_mut(self: Pin<&mut Self>) -> Either<Pin<&mut L>, Pin<&mut R>> {
- // SAFETY: `get_unchecked_mut` is fine because we don't move anything.
- // We can use `new_unchecked` because the `inner` parts are guaranteed
- // to be pinned, as they come from `self` which is pinned, and we never
- // offer an unpinned `&mut L` or `&mut R` through `Pin<&mut Self>`. We
- // also don't have an implementation of `Drop`, nor manual `Unpin`.
- unsafe {
- match *Pin::get_unchecked_mut(self) {
- Left(ref mut inner) => Left(Pin::new_unchecked(inner)),
- Right(ref mut inner) => Right(Pin::new_unchecked(inner)),
- }
- }
- }
-
- /// Convert `Either<L, R>` to `Either<R, L>`.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, ()> = Left(123);
- /// assert_eq!(left.flip(), Right(123));
- ///
- /// let right: Either<(), _> = Right("some value");
- /// assert_eq!(right.flip(), Left("some value"));
- /// ```
- pub fn flip(self) -> Either<R, L> {
- match self {
- Left(l) => Right(l),
- Right(r) => Left(r),
- }
- }
-
- /// Apply the function `f` on the value in the `Left` variant if it is present rewrapping the
- /// result in `Left`.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, u32> = Left(123);
- /// assert_eq!(left.map_left(|x| x * 2), Left(246));
- ///
- /// let right: Either<u32, _> = Right(123);
- /// assert_eq!(right.map_left(|x| x * 2), Right(123));
- /// ```
- pub fn map_left<F, M>(self, f: F) -> Either<M, R>
- where
- F: FnOnce(L) -> M,
- {
- match self {
- Left(l) => Left(f(l)),
- Right(r) => Right(r),
- }
- }
-
- /// Apply the function `f` on the value in the `Right` variant if it is present rewrapping the
- /// result in `Right`.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, u32> = Left(123);
- /// assert_eq!(left.map_right(|x| x * 2), Left(123));
- ///
- /// let right: Either<u32, _> = Right(123);
- /// assert_eq!(right.map_right(|x| x * 2), Right(246));
- /// ```
- pub fn map_right<F, S>(self, f: F) -> Either<L, S>
- where
- F: FnOnce(R) -> S,
- {
- match self {
- Left(l) => Left(l),
- Right(r) => Right(f(r)),
- }
- }
-
- /// Apply the functions `f` and `g` to the `Left` and `Right` variants
- /// respectively. This is equivalent to
- /// [bimap](https://hackage.haskell.org/package/bifunctors-5/docs/Data-Bifunctor.html)
- /// in functional programming.
- ///
- /// ```
- /// use either::*;
- ///
- /// let f = |s: String| s.len();
- /// let g = |u: u8| u.to_string();
- ///
- /// let left: Either<String, u8> = Left("loopy".into());
- /// assert_eq!(left.map_either(f, g), Left(5));
- ///
- /// let right: Either<String, u8> = Right(42);
- /// assert_eq!(right.map_either(f, g), Right("42".into()));
- /// ```
- pub fn map_either<F, G, M, S>(self, f: F, g: G) -> Either<M, S>
- where
- F: FnOnce(L) -> M,
- G: FnOnce(R) -> S,
- {
- match self {
- Left(l) => Left(f(l)),
- Right(r) => Right(g(r)),
- }
- }
-
- /// Similar to [`map_either`], with an added context `ctx` accessible to
- /// both functions.
- ///
- /// ```
- /// use either::*;
- ///
- /// let mut sum = 0;
- ///
- /// // Both closures want to update the same value, so pass it as context.
- /// let mut f = |sum: &mut usize, s: String| { *sum += s.len(); s.to_uppercase() };
- /// let mut g = |sum: &mut usize, u: usize| { *sum += u; u.to_string() };
- ///
- /// let left: Either<String, usize> = Left("loopy".into());
- /// assert_eq!(left.map_either_with(&mut sum, &mut f, &mut g), Left("LOOPY".into()));
- ///
- /// let right: Either<String, usize> = Right(42);
- /// assert_eq!(right.map_either_with(&mut sum, &mut f, &mut g), Right("42".into()));
- ///
- /// assert_eq!(sum, 47);
- /// ```
- pub fn map_either_with<Ctx, F, G, M, S>(self, ctx: Ctx, f: F, g: G) -> Either<M, S>
- where
- F: FnOnce(Ctx, L) -> M,
- G: FnOnce(Ctx, R) -> S,
- {
- match self {
- Left(l) => Left(f(ctx, l)),
- Right(r) => Right(g(ctx, r)),
- }
- }
-
- /// Apply one of two functions depending on contents, unifying their result. If the value is
- /// `Left(L)` then the first function `f` is applied; if it is `Right(R)` then the second
- /// function `g` is applied.
- ///
- /// ```
- /// use either::*;
- ///
- /// fn square(n: u32) -> i32 { (n * n) as i32 }
- /// fn negate(n: i32) -> i32 { -n }
- ///
- /// let left: Either<u32, i32> = Left(4);
- /// assert_eq!(left.either(square, negate), 16);
- ///
- /// let right: Either<u32, i32> = Right(-4);
- /// assert_eq!(right.either(square, negate), 4);
- /// ```
- pub fn either<F, G, T>(self, f: F, g: G) -> T
- where
- F: FnOnce(L) -> T,
- G: FnOnce(R) -> T,
- {
- match self {
- Left(l) => f(l),
- Right(r) => g(r),
- }
- }
-
- /// Like `either`, but provide some context to whichever of the
- /// functions ends up being called.
- ///
- /// ```
- /// // In this example, the context is a mutable reference
- /// use either::*;
- ///
- /// let mut result = Vec::new();
- ///
- /// let values = vec![Left(2), Right(2.7)];
- ///
- /// for value in values {
- /// value.either_with(&mut result,
- /// |ctx, integer| ctx.push(integer),
- /// |ctx, real| ctx.push(f64::round(real) as i32));
- /// }
- ///
- /// assert_eq!(result, vec![2, 3]);
- /// ```
- pub fn either_with<Ctx, F, G, T>(self, ctx: Ctx, f: F, g: G) -> T
- where
- F: FnOnce(Ctx, L) -> T,
- G: FnOnce(Ctx, R) -> T,
- {
- match self {
- Left(l) => f(ctx, l),
- Right(r) => g(ctx, r),
- }
- }
-
- /// Apply the function `f` on the value in the `Left` variant if it is present.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, u32> = Left(123);
- /// assert_eq!(left.left_and_then::<_,()>(|x| Right(x * 2)), Right(246));
- ///
- /// let right: Either<u32, _> = Right(123);
- /// assert_eq!(right.left_and_then(|x| Right::<(), _>(x * 2)), Right(123));
- /// ```
- pub fn left_and_then<F, S>(self, f: F) -> Either<S, R>
- where
- F: FnOnce(L) -> Either<S, R>,
- {
- match self {
- Left(l) => f(l),
- Right(r) => Right(r),
- }
- }
-
- /// Apply the function `f` on the value in the `Right` variant if it is present.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, u32> = Left(123);
- /// assert_eq!(left.right_and_then(|x| Right(x * 2)), Left(123));
- ///
- /// let right: Either<u32, _> = Right(123);
- /// assert_eq!(right.right_and_then(|x| Right(x * 2)), Right(246));
- /// ```
- pub fn right_and_then<F, S>(self, f: F) -> Either<L, S>
- where
- F: FnOnce(R) -> Either<L, S>,
- {
- match self {
- Left(l) => Left(l),
- Right(r) => f(r),
- }
- }
-
- /// Convert the inner value to an iterator.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, Vec<u32>> = Left(vec![1, 2, 3, 4, 5]);
- /// let mut right: Either<Vec<u32>, _> = Right(vec![]);
- /// right.extend(left.into_iter());
- /// assert_eq!(right, Right(vec![1, 2, 3, 4, 5]));
- /// ```
- #[allow(clippy::should_implement_trait)]
- pub fn into_iter(self) -> Either<L::IntoIter, R::IntoIter>
- where
- L: IntoIterator,
- R: IntoIterator<Item = L::Item>,
- {
- match self {
- Left(l) => Left(l.into_iter()),
- Right(r) => Right(r.into_iter()),
- }
- }
-
- /// Return left value or given value
- ///
- /// Arguments passed to `left_or` are eagerly evaluated; if you are passing
- /// the result of a function call, it is recommended to use [`left_or_else`],
- /// which is lazily evaluated.
- ///
- /// [`left_or_else`]: #method.left_or_else
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let left: Either<&str, &str> = Left("left");
- /// assert_eq!(left.left_or("foo"), "left");
- ///
- /// let right: Either<&str, &str> = Right("right");
- /// assert_eq!(right.left_or("left"), "left");
- /// ```
- pub fn left_or(self, other: L) -> L {
- match self {
- Either::Left(l) => l,
- Either::Right(_) => other,
- }
- }
-
- /// Return left or a default
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let left: Either<String, u32> = Left("left".to_string());
- /// assert_eq!(left.left_or_default(), "left");
- ///
- /// let right: Either<String, u32> = Right(42);
- /// assert_eq!(right.left_or_default(), String::default());
- /// ```
- pub fn left_or_default(self) -> L
- where
- L: Default,
- {
- match self {
- Either::Left(l) => l,
- Either::Right(_) => L::default(),
- }
- }
-
- /// Returns left value or computes it from a closure
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let left: Either<String, u32> = Left("3".to_string());
- /// assert_eq!(left.left_or_else(|_| unreachable!()), "3");
- ///
- /// let right: Either<String, u32> = Right(3);
- /// assert_eq!(right.left_or_else(|x| x.to_string()), "3");
- /// ```
- pub fn left_or_else<F>(self, f: F) -> L
- where
- F: FnOnce(R) -> L,
- {
- match self {
- Either::Left(l) => l,
- Either::Right(r) => f(r),
- }
- }
-
- /// Return right value or given value
- ///
- /// Arguments passed to `right_or` are eagerly evaluated; if you are passing
- /// the result of a function call, it is recommended to use [`right_or_else`],
- /// which is lazily evaluated.
- ///
- /// [`right_or_else`]: #method.right_or_else
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let right: Either<&str, &str> = Right("right");
- /// assert_eq!(right.right_or("foo"), "right");
- ///
- /// let left: Either<&str, &str> = Left("left");
- /// assert_eq!(left.right_or("right"), "right");
- /// ```
- pub fn right_or(self, other: R) -> R {
- match self {
- Either::Left(_) => other,
- Either::Right(r) => r,
- }
- }
-
- /// Return right or a default
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let left: Either<String, u32> = Left("left".to_string());
- /// assert_eq!(left.right_or_default(), u32::default());
- ///
- /// let right: Either<String, u32> = Right(42);
- /// assert_eq!(right.right_or_default(), 42);
- /// ```
- pub fn right_or_default(self) -> R
- where
- R: Default,
- {
- match self {
- Either::Left(_) => R::default(),
- Either::Right(r) => r,
- }
- }
-
- /// Returns right value or computes it from a closure
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let left: Either<String, u32> = Left("3".to_string());
- /// assert_eq!(left.right_or_else(|x| x.parse().unwrap()), 3);
- ///
- /// let right: Either<String, u32> = Right(3);
- /// assert_eq!(right.right_or_else(|_| unreachable!()), 3);
- /// ```
- pub fn right_or_else<F>(self, f: F) -> R
- where
- F: FnOnce(L) -> R,
- {
- match self {
- Either::Left(l) => f(l),
- Either::Right(r) => r,
- }
- }
-
- /// Returns the left value
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let left: Either<_, ()> = Left(3);
- /// assert_eq!(left.unwrap_left(), 3);
- /// ```
- ///
- /// # Panics
- ///
- /// When `Either` is a `Right` value
- ///
- /// ```should_panic
- /// # use either::*;
- /// let right: Either<(), _> = Right(3);
- /// right.unwrap_left();
- /// ```
- pub fn unwrap_left(self) -> L
- where
- R: core::fmt::Debug,
- {
- match self {
- Either::Left(l) => l,
- Either::Right(r) => {
- panic!("called `Either::unwrap_left()` on a `Right` value: {:?}", r)
- }
- }
- }
-
- /// Returns the right value
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let right: Either<(), _> = Right(3);
- /// assert_eq!(right.unwrap_right(), 3);
- /// ```
- ///
- /// # Panics
- ///
- /// When `Either` is a `Left` value
- ///
- /// ```should_panic
- /// # use either::*;
- /// let left: Either<_, ()> = Left(3);
- /// left.unwrap_right();
- /// ```
- pub fn unwrap_right(self) -> R
- where
- L: core::fmt::Debug,
- {
- match self {
- Either::Right(r) => r,
- Either::Left(l) => panic!("called `Either::unwrap_right()` on a `Left` value: {:?}", l),
- }
- }
-
- /// Returns the left value
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let left: Either<_, ()> = Left(3);
- /// assert_eq!(left.expect_left("value was Right"), 3);
- /// ```
- ///
- /// # Panics
- ///
- /// When `Either` is a `Right` value
- ///
- /// ```should_panic
- /// # use either::*;
- /// let right: Either<(), _> = Right(3);
- /// right.expect_left("value was Right");
- /// ```
- pub fn expect_left(self, msg: &str) -> L
- where
- R: core::fmt::Debug,
- {
- match self {
- Either::Left(l) => l,
- Either::Right(r) => panic!("{}: {:?}", msg, r),
- }
- }
-
- /// Returns the right value
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// let right: Either<(), _> = Right(3);
- /// assert_eq!(right.expect_right("value was Left"), 3);
- /// ```
- ///
- /// # Panics
- ///
- /// When `Either` is a `Left` value
- ///
- /// ```should_panic
- /// # use either::*;
- /// let left: Either<_, ()> = Left(3);
- /// left.expect_right("value was Right");
- /// ```
- pub fn expect_right(self, msg: &str) -> R
- where
- L: core::fmt::Debug,
- {
- match self {
- Either::Right(r) => r,
- Either::Left(l) => panic!("{}: {:?}", msg, l),
- }
- }
-
- /// Convert the contained value into `T`
- ///
- /// # Examples
- ///
- /// ```
- /// # use either::*;
- /// // Both u16 and u32 can be converted to u64.
- /// let left: Either<u16, u32> = Left(3u16);
- /// assert_eq!(left.either_into::<u64>(), 3u64);
- /// let right: Either<u16, u32> = Right(7u32);
- /// assert_eq!(right.either_into::<u64>(), 7u64);
- /// ```
- pub fn either_into<T>(self) -> T
- where
- L: Into<T>,
- R: Into<T>,
- {
- match self {
- Either::Left(l) => l.into(),
- Either::Right(r) => r.into(),
- }
- }
-}
-
-impl<L, R> Either<Option<L>, Option<R>> {
- /// Factors out `None` from an `Either` of [`Option`].
- ///
- /// ```
- /// use either::*;
- /// let left: Either<_, Option<String>> = Left(Some(vec![0]));
- /// assert_eq!(left.factor_none(), Some(Left(vec![0])));
- ///
- /// let right: Either<Option<Vec<u8>>, _> = Right(Some(String::new()));
- /// assert_eq!(right.factor_none(), Some(Right(String::new())));
- /// ```
- // TODO(MSRV): doc(alias) was stabilized in Rust 1.48
- // #[doc(alias = "transpose")]
- pub fn factor_none(self) -> Option<Either<L, R>> {
- match self {
- Left(l) => l.map(Either::Left),
- Right(r) => r.map(Either::Right),
- }
- }
-}
-
-impl<L, R, E> Either<Result<L, E>, Result<R, E>> {
- /// Factors out a homogenous type from an `Either` of [`Result`].
- ///
- /// Here, the homogeneous type is the `Err` type of the [`Result`].
- ///
- /// ```
- /// use either::*;
- /// let left: Either<_, Result<String, u32>> = Left(Ok(vec![0]));
- /// assert_eq!(left.factor_err(), Ok(Left(vec![0])));
- ///
- /// let right: Either<Result<Vec<u8>, u32>, _> = Right(Ok(String::new()));
- /// assert_eq!(right.factor_err(), Ok(Right(String::new())));
- /// ```
- // TODO(MSRV): doc(alias) was stabilized in Rust 1.48
- // #[doc(alias = "transpose")]
- pub fn factor_err(self) -> Result<Either<L, R>, E> {
- match self {
- Left(l) => l.map(Either::Left),
- Right(r) => r.map(Either::Right),
- }
- }
-}
-
-impl<T, L, R> Either<Result<T, L>, Result<T, R>> {
- /// Factors out a homogenous type from an `Either` of [`Result`].
- ///
- /// Here, the homogeneous type is the `Ok` type of the [`Result`].
- ///
- /// ```
- /// use either::*;
- /// let left: Either<_, Result<u32, String>> = Left(Err(vec![0]));
- /// assert_eq!(left.factor_ok(), Err(Left(vec![0])));
- ///
- /// let right: Either<Result<u32, Vec<u8>>, _> = Right(Err(String::new()));
- /// assert_eq!(right.factor_ok(), Err(Right(String::new())));
- /// ```
- // TODO(MSRV): doc(alias) was stabilized in Rust 1.48
- // #[doc(alias = "transpose")]
- pub fn factor_ok(self) -> Result<T, Either<L, R>> {
- match self {
- Left(l) => l.map_err(Either::Left),
- Right(r) => r.map_err(Either::Right),
- }
- }
-}
-
-impl<T, L, R> Either<(T, L), (T, R)> {
- /// Factor out a homogeneous type from an either of pairs.
- ///
- /// Here, the homogeneous type is the first element of the pairs.
- ///
- /// ```
- /// use either::*;
- /// let left: Either<_, (u32, String)> = Left((123, vec![0]));
- /// assert_eq!(left.factor_first().0, 123);
- ///
- /// let right: Either<(u32, Vec<u8>), _> = Right((123, String::new()));
- /// assert_eq!(right.factor_first().0, 123);
- /// ```
- pub fn factor_first(self) -> (T, Either<L, R>) {
- match self {
- Left((t, l)) => (t, Left(l)),
- Right((t, r)) => (t, Right(r)),
- }
- }
-}
-
-impl<T, L, R> Either<(L, T), (R, T)> {
- /// Factor out a homogeneous type from an either of pairs.
- ///
- /// Here, the homogeneous type is the second element of the pairs.
- ///
- /// ```
- /// use either::*;
- /// let left: Either<_, (String, u32)> = Left((vec![0], 123));
- /// assert_eq!(left.factor_second().1, 123);
- ///
- /// let right: Either<(Vec<u8>, u32), _> = Right((String::new(), 123));
- /// assert_eq!(right.factor_second().1, 123);
- /// ```
- pub fn factor_second(self) -> (Either<L, R>, T) {
- match self {
- Left((l, t)) => (Left(l), t),
- Right((r, t)) => (Right(r), t),
- }
- }
-}
-
-impl<T> Either<T, T> {
- /// Extract the value of an either over two equivalent types.
- ///
- /// ```
- /// use either::*;
- ///
- /// let left: Either<_, u32> = Left(123);
- /// assert_eq!(left.into_inner(), 123);
- ///
- /// let right: Either<u32, _> = Right(123);
- /// assert_eq!(right.into_inner(), 123);
- /// ```
- pub fn into_inner(self) -> T {
- for_both!(self, inner => inner)
- }
-
- /// Map `f` over the contained value and return the result in the
- /// corresponding variant.
- ///
- /// ```
- /// use either::*;
- ///
- /// let value: Either<_, i32> = Right(42);
- ///
- /// let other = value.map(|x| x * 2);
- /// assert_eq!(other, Right(84));
- /// ```
- pub fn map<F, M>(self, f: F) -> Either<M, M>
- where
- F: FnOnce(T) -> M,
- {
- match self {
- Left(l) => Left(f(l)),
- Right(r) => Right(f(r)),
- }
- }
-}
-
-/// Convert from `Result` to `Either` with `Ok => Right` and `Err => Left`.
-impl<L, R> From<Result<R, L>> for Either<L, R> {
- fn from(r: Result<R, L>) -> Self {
- match r {
- Err(e) => Left(e),
- Ok(o) => Right(o),
- }
- }
-}
-
-/// Convert from `Either` to `Result` with `Right => Ok` and `Left => Err`.
-#[allow(clippy::from_over_into)] // From requires RFC 2451, Rust 1.41
-impl<L, R> Into<Result<R, L>> for Either<L, R> {
- fn into(self) -> Result<R, L> {
- match self {
- Left(l) => Err(l),
- Right(r) => Ok(r),
- }
- }
-}
-
-impl<L, R, A> Extend<A> for Either<L, R>
-where
- L: Extend<A>,
- R: Extend<A>,
-{
- fn extend<T>(&mut self, iter: T)
- where
- T: IntoIterator<Item = A>,
- {
- for_both!(*self, ref mut inner => inner.extend(iter))
- }
-}
-
-/// `Either<L, R>` is an iterator if both `L` and `R` are iterators.
-impl<L, R> Iterator for Either<L, R>
-where
- L: Iterator,
- R: Iterator<Item = L::Item>,
-{
- type Item = L::Item;
-
- fn next(&mut self) -> Option<Self::Item> {
- for_both!(*self, ref mut inner => inner.next())
- }
-
- fn size_hint(&self) -> (usize, Option<usize>) {
- for_both!(*self, ref inner => inner.size_hint())
- }
-
- fn fold<Acc, G>(self, init: Acc, f: G) -> Acc
- where
- G: FnMut(Acc, Self::Item) -> Acc,
- {
- for_both!(self, inner => inner.fold(init, f))
- }
-
- fn for_each<F>(self, f: F)
- where
- F: FnMut(Self::Item),
- {
- for_both!(self, inner => inner.for_each(f))
- }
-
- fn count(self) -> usize {
- for_both!(self, inner => inner.count())
- }
-
- fn last(self) -> Option<Self::Item> {
- for_both!(self, inner => inner.last())
- }
-
- fn nth(&mut self, n: usize) -> Option<Self::Item> {
- for_both!(*self, ref mut inner => inner.nth(n))
- }
-
- fn collect<B>(self) -> B
- where
- B: iter::FromIterator<Self::Item>,
- {
- for_both!(self, inner => inner.collect())
- }
-
- fn partition<B, F>(self, f: F) -> (B, B)
- where
- B: Default + Extend<Self::Item>,
- F: FnMut(&Self::Item) -> bool,
- {
- for_both!(self, inner => inner.partition(f))
- }
-
- fn all<F>(&mut self, f: F) -> bool
- where
- F: FnMut(Self::Item) -> bool,
- {
- for_both!(*self, ref mut inner => inner.all(f))
- }
-
- fn any<F>(&mut self, f: F) -> bool
- where
- F: FnMut(Self::Item) -> bool,
- {
- for_both!(*self, ref mut inner => inner.any(f))
- }
-
- fn find<P>(&mut self, predicate: P) -> Option<Self::Item>
- where
- P: FnMut(&Self::Item) -> bool,
- {
- for_both!(*self, ref mut inner => inner.find(predicate))
- }
-
- fn find_map<B, F>(&mut self, f: F) -> Option<B>
- where
- F: FnMut(Self::Item) -> Option<B>,
- {
- for_both!(*self, ref mut inner => inner.find_map(f))
- }
-
- fn position<P>(&mut self, predicate: P) -> Option<usize>
- where
- P: FnMut(Self::Item) -> bool,
- {
- for_both!(*self, ref mut inner => inner.position(predicate))
- }
-}
-
-impl<L, R> DoubleEndedIterator for Either<L, R>
-where
- L: DoubleEndedIterator,
- R: DoubleEndedIterator<Item = L::Item>,
-{
- fn next_back(&mut self) -> Option<Self::Item> {
- for_both!(*self, ref mut inner => inner.next_back())
- }
-
- // TODO(MSRV): This was stabilized in Rust 1.37
- // fn nth_back(&mut self, n: usize) -> Option<Self::Item> {
- // for_both!(*self, ref mut inner => inner.nth_back(n))
- // }
-
- fn rfold<Acc, G>(self, init: Acc, f: G) -> Acc
- where
- G: FnMut(Acc, Self::Item) -> Acc,
- {
- for_both!(self, inner => inner.rfold(init, f))
- }
-
- fn rfind<P>(&mut self, predicate: P) -> Option<Self::Item>
- where
- P: FnMut(&Self::Item) -> bool,
- {
- for_both!(*self, ref mut inner => inner.rfind(predicate))
- }
-}
-
-impl<L, R> ExactSizeIterator for Either<L, R>
-where
- L: ExactSizeIterator,
- R: ExactSizeIterator<Item = L::Item>,
-{
- fn len(&self) -> usize {
- for_both!(*self, ref inner => inner.len())
- }
-}
-
-impl<L, R> iter::FusedIterator for Either<L, R>
-where
- L: iter::FusedIterator,
- R: iter::FusedIterator<Item = L::Item>,
-{
-}
-
-/// `Either<L, R>` is a future if both `L` and `R` are futures.
-impl<L, R> Future for Either<L, R>
-where
- L: Future,
- R: Future<Output = L::Output>,
-{
- type Output = L::Output;
-
- fn poll(
- self: Pin<&mut Self>,
- cx: &mut core::task::Context<'_>,
- ) -> core::task::Poll<Self::Output> {
- for_both!(self.as_pin_mut(), inner => inner.poll(cx))
- }
-}
-
-#[cfg(any(test, feature = "use_std"))]
-/// `Either<L, R>` implements `Read` if both `L` and `R` do.
-///
-/// Requires crate feature `"use_std"`
-impl<L, R> Read for Either<L, R>
-where
- L: Read,
- R: Read,
-{
- fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
- for_both!(*self, ref mut inner => inner.read(buf))
- }
-
- fn read_exact(&mut self, buf: &mut [u8]) -> io::Result<()> {
- for_both!(*self, ref mut inner => inner.read_exact(buf))
- }
-
- fn read_to_end(&mut self, buf: &mut std::vec::Vec<u8>) -> io::Result<usize> {
- for_both!(*self, ref mut inner => inner.read_to_end(buf))
- }
-
- fn read_to_string(&mut self, buf: &mut std::string::String) -> io::Result<usize> {
- for_both!(*self, ref mut inner => inner.read_to_string(buf))
- }
-}
-
-#[cfg(any(test, feature = "use_std"))]
-/// `Either<L, R>` implements `Seek` if both `L` and `R` do.
-///
-/// Requires crate feature `"use_std"`
-impl<L, R> Seek for Either<L, R>
-where
- L: Seek,
- R: Seek,
-{
- fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
- for_both!(*self, ref mut inner => inner.seek(pos))
- }
-}
-
-#[cfg(any(test, feature = "use_std"))]
-/// Requires crate feature `"use_std"`
-impl<L, R> BufRead for Either<L, R>
-where
- L: BufRead,
- R: BufRead,
-{
- fn fill_buf(&mut self) -> io::Result<&[u8]> {
- for_both!(*self, ref mut inner => inner.fill_buf())
- }
-
- fn consume(&mut self, amt: usize) {
- for_both!(*self, ref mut inner => inner.consume(amt))
- }
-
- fn read_until(&mut self, byte: u8, buf: &mut std::vec::Vec<u8>) -> io::Result<usize> {
- for_both!(*self, ref mut inner => inner.read_until(byte, buf))
- }
-
- fn read_line(&mut self, buf: &mut std::string::String) -> io::Result<usize> {
- for_both!(*self, ref mut inner => inner.read_line(buf))
- }
-}
-
-#[cfg(any(test, feature = "use_std"))]
-/// `Either<L, R>` implements `Write` if both `L` and `R` do.
-///
-/// Requires crate feature `"use_std"`
-impl<L, R> Write for Either<L, R>
-where
- L: Write,
- R: Write,
-{
- fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
- for_both!(*self, ref mut inner => inner.write(buf))
- }
-
- fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {
- for_both!(*self, ref mut inner => inner.write_all(buf))
- }
-
- fn write_fmt(&mut self, fmt: fmt::Arguments<'_>) -> io::Result<()> {
- for_both!(*self, ref mut inner => inner.write_fmt(fmt))
- }
-
- fn flush(&mut self) -> io::Result<()> {
- for_both!(*self, ref mut inner => inner.flush())
- }
-}
-
-impl<L, R, Target> AsRef<Target> for Either<L, R>
-where
- L: AsRef<Target>,
- R: AsRef<Target>,
-{
- fn as_ref(&self) -> &Target {
- for_both!(*self, ref inner => inner.as_ref())
- }
-}
-
-macro_rules! impl_specific_ref_and_mut {
- ($t:ty, $($attr:meta),* ) => {
- $(#[$attr])*
- impl<L, R> AsRef<$t> for Either<L, R>
- where L: AsRef<$t>, R: AsRef<$t>
- {
- fn as_ref(&self) -> &$t {
- for_both!(*self, ref inner => inner.as_ref())
- }
- }
-
- $(#[$attr])*
- impl<L, R> AsMut<$t> for Either<L, R>
- where L: AsMut<$t>, R: AsMut<$t>
- {
- fn as_mut(&mut self) -> &mut $t {
- for_both!(*self, ref mut inner => inner.as_mut())
- }
- }
- };
-}
-
-impl_specific_ref_and_mut!(str,);
-impl_specific_ref_and_mut!(
- ::std::path::Path,
- cfg(feature = "use_std"),
- doc = "Requires crate feature `use_std`."
-);
-impl_specific_ref_and_mut!(
- ::std::ffi::OsStr,
- cfg(feature = "use_std"),
- doc = "Requires crate feature `use_std`."
-);
-impl_specific_ref_and_mut!(
- ::std::ffi::CStr,
- cfg(feature = "use_std"),
- doc = "Requires crate feature `use_std`."
-);
-
-impl<L, R, Target> AsRef<[Target]> for Either<L, R>
-where
- L: AsRef<[Target]>,
- R: AsRef<[Target]>,
-{
- fn as_ref(&self) -> &[Target] {
- for_both!(*self, ref inner => inner.as_ref())
- }
-}
-
-impl<L, R, Target> AsMut<Target> for Either<L, R>
-where
- L: AsMut<Target>,
- R: AsMut<Target>,
-{
- fn as_mut(&mut self) -> &mut Target {
- for_both!(*self, ref mut inner => inner.as_mut())
- }
-}
-
-impl<L, R, Target> AsMut<[Target]> for Either<L, R>
-where
- L: AsMut<[Target]>,
- R: AsMut<[Target]>,
-{
- fn as_mut(&mut self) -> &mut [Target] {
- for_both!(*self, ref mut inner => inner.as_mut())
- }
-}
-
-impl<L, R> Deref for Either<L, R>
-where
- L: Deref,
- R: Deref<Target = L::Target>,
-{
- type Target = L::Target;
-
- fn deref(&self) -> &Self::Target {
- for_both!(*self, ref inner => &**inner)
- }
-}
-
-impl<L, R> DerefMut for Either<L, R>
-where
- L: DerefMut,
- R: DerefMut<Target = L::Target>,
-{
- fn deref_mut(&mut self) -> &mut Self::Target {
- for_both!(*self, ref mut inner => &mut *inner)
- }
-}
-
-#[cfg(any(test, feature = "use_std"))]
-/// `Either` implements `Error` if *both* `L` and `R` implement it.
-impl<L, R> Error for Either<L, R>
-where
- L: Error,
- R: Error,
-{
- fn source(&self) -> Option<&(dyn Error + 'static)> {
- for_both!(*self, ref inner => inner.source())
- }
-
- #[allow(deprecated)]
- fn description(&self) -> &str {
- for_both!(*self, ref inner => inner.description())
- }
-
- #[allow(deprecated)]
- fn cause(&self) -> Option<&dyn Error> {
- for_both!(*self, ref inner => inner.cause())
- }
-}
-
-impl<L, R> fmt::Display for Either<L, R>
-where
- L: fmt::Display,
- R: fmt::Display,
-{
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- for_both!(*self, ref inner => inner.fmt(f))
- }
-}
-
-#[test]
-fn basic() {
- let mut e = Left(2);
- let r = Right(2);
- assert_eq!(e, Left(2));
- e = r;
- assert_eq!(e, Right(2));
- assert_eq!(e.left(), None);
- assert_eq!(e.right(), Some(2));
- assert_eq!(e.as_ref().right(), Some(&2));
- assert_eq!(e.as_mut().right(), Some(&mut 2));
-}
-
-#[test]
-fn macros() {
- use std::string::String;
-
- fn a() -> Either<u32, u32> {
- let x: u32 = try_left!(Right(1337u32));
- Left(x * 2)
- }
- assert_eq!(a(), Right(1337));
-
- fn b() -> Either<String, &'static str> {
- Right(try_right!(Left("foo bar")))
- }
- assert_eq!(b(), Left(String::from("foo bar")));
-}
-
-#[test]
-fn deref() {
- use std::string::String;
-
- fn is_str(_: &str) {}
- let value: Either<String, &str> = Left(String::from("test"));
- is_str(&*value);
-}
-
-#[test]
-fn iter() {
- let x = 3;
- let mut iter = match x {
- 3 => Left(0..10),
- _ => Right(17..),
- };
-
- assert_eq!(iter.next(), Some(0));
- assert_eq!(iter.count(), 9);
-}
-
-#[test]
-fn seek() {
- use std::io;
-
- let use_empty = false;
- let mut mockdata = [0x00; 256];
- for i in 0..256 {
- mockdata[i] = i as u8;
- }
-
- let mut reader = if use_empty {
- // Empty didn't impl Seek until Rust 1.51
- Left(io::Cursor::new([]))
- } else {
- Right(io::Cursor::new(&mockdata[..]))
- };
-
- let mut buf = [0u8; 16];
- assert_eq!(reader.read(&mut buf).unwrap(), buf.len());
- assert_eq!(buf, mockdata[..buf.len()]);
-
- // the first read should advance the cursor and return the next 16 bytes thus the `ne`
- assert_eq!(reader.read(&mut buf).unwrap(), buf.len());
- assert_ne!(buf, mockdata[..buf.len()]);
-
- // if the seek operation fails it should read 16..31 instead of 0..15
- reader.seek(io::SeekFrom::Start(0)).unwrap();
- assert_eq!(reader.read(&mut buf).unwrap(), buf.len());
- assert_eq!(buf, mockdata[..buf.len()]);
-}
-
-#[test]
-fn read_write() {
- use std::io;
-
- let use_stdio = false;
- let mockdata = [0xff; 256];
-
- let mut reader = if use_stdio {
- Left(io::stdin())
- } else {
- Right(&mockdata[..])
- };
-
- let mut buf = [0u8; 16];
- assert_eq!(reader.read(&mut buf).unwrap(), buf.len());
- assert_eq!(&buf, &mockdata[..buf.len()]);
-
- let mut mockbuf = [0u8; 256];
- let mut writer = if use_stdio {
- Left(io::stdout())
- } else {
- Right(&mut mockbuf[..])
- };
-
- let buf = [1u8; 16];
- assert_eq!(writer.write(&buf).unwrap(), buf.len());
-}
-
-#[test]
-#[allow(deprecated)]
-fn error() {
- let invalid_utf8 = b"\xff";
- let res = if let Err(error) = ::std::str::from_utf8(invalid_utf8) {
- Err(Left(error))
- } else if let Err(error) = "x".parse::<i32>() {
- Err(Right(error))
- } else {
- Ok(())
- };
- assert!(res.is_err());
- res.unwrap_err().description(); // make sure this can be called
-}
-
-/// A helper macro to check if AsRef and AsMut are implemented for a given type.
-macro_rules! check_t {
- ($t:ty) => {{
- fn check_ref<T: AsRef<$t>>() {}
- fn propagate_ref<T1: AsRef<$t>, T2: AsRef<$t>>() {
- check_ref::<Either<T1, T2>>()
- }
- fn check_mut<T: AsMut<$t>>() {}
- fn propagate_mut<T1: AsMut<$t>, T2: AsMut<$t>>() {
- check_mut::<Either<T1, T2>>()
- }
- }};
-}
-
-// This "unused" method is here to ensure that compilation doesn't fail on given types.
-fn _unsized_ref_propagation() {
- check_t!(str);
-
- fn check_array_ref<T: AsRef<[Item]>, Item>() {}
- fn check_array_mut<T: AsMut<[Item]>, Item>() {}
-
- fn propagate_array_ref<T1: AsRef<[Item]>, T2: AsRef<[Item]>, Item>() {
- check_array_ref::<Either<T1, T2>, _>()
- }
-
- fn propagate_array_mut<T1: AsMut<[Item]>, T2: AsMut<[Item]>, Item>() {
- check_array_mut::<Either<T1, T2>, _>()
- }
-}
-
-// This "unused" method is here to ensure that compilation doesn't fail on given types.
-#[cfg(feature = "use_std")]
-fn _unsized_std_propagation() {
- check_t!(::std::path::Path);
- check_t!(::std::ffi::OsStr);
- check_t!(::std::ffi::CStr);
-}
diff --git a/vendor/either/src/serde_untagged.rs b/vendor/either/src/serde_untagged.rs
deleted file mode 100644
index 72078c3..0000000
--- a/vendor/either/src/serde_untagged.rs
+++ /dev/null
@@ -1,69 +0,0 @@
-//! Untagged serialization/deserialization support for Either<L, R>.
-//!
-//! `Either` uses default, externally-tagged representation.
-//! However, sometimes it is useful to support several alternative types.
-//! For example, we may have a field which is generally Map<String, i32>
-//! but in typical cases Vec<String> would suffice, too.
-//!
-//! ```rust
-//! # fn main() -> Result<(), Box<dyn std::error::Error>> {
-//! use either::Either;
-//! use std::collections::HashMap;
-//!
-//! #[derive(serde::Serialize, serde::Deserialize, Debug)]
-//! #[serde(transparent)]
-//! struct IntOrString {
-//! #[serde(with = "either::serde_untagged")]
-//! inner: Either<Vec<String>, HashMap<String, i32>>
-//! };
-//!
-//! // serialization
-//! let data = IntOrString {
-//! inner: Either::Left(vec!["Hello".to_string()])
-//! };
-//! // notice: no tags are emitted.
-//! assert_eq!(serde_json::to_string(&data)?, r#"["Hello"]"#);
-//!
-//! // deserialization
-//! let data: IntOrString = serde_json::from_str(
-//! r#"{"a": 0, "b": 14}"#
-//! )?;
-//! println!("found {:?}", data);
-//! # Ok(())
-//! # }
-//! ```
-
-use serde::{Deserialize, Deserializer, Serialize, Serializer};
-
-#[derive(serde::Serialize, serde::Deserialize)]
-#[serde(untagged)]
-enum Either<L, R> {
- Left(L),
- Right(R),
-}
-
-pub fn serialize<L, R, S>(this: &super::Either<L, R>, serializer: S) -> Result<S::Ok, S::Error>
-where
- S: Serializer,
- L: Serialize,
- R: Serialize,
-{
- let untagged = match this {
- super::Either::Left(left) => Either::Left(left),
- super::Either::Right(right) => Either::Right(right),
- };
- untagged.serialize(serializer)
-}
-
-pub fn deserialize<'de, L, R, D>(deserializer: D) -> Result<super::Either<L, R>, D::Error>
-where
- D: Deserializer<'de>,
- L: Deserialize<'de>,
- R: Deserialize<'de>,
-{
- match Either::deserialize(deserializer) {
- Ok(Either::Left(left)) => Ok(super::Either::Left(left)),
- Ok(Either::Right(right)) => Ok(super::Either::Right(right)),
- Err(error) => Err(error),
- }
-}
diff --git a/vendor/either/src/serde_untagged_optional.rs b/vendor/either/src/serde_untagged_optional.rs
deleted file mode 100644
index fb3239a..0000000
--- a/vendor/either/src/serde_untagged_optional.rs
+++ /dev/null
@@ -1,74 +0,0 @@
-//! Untagged serialization/deserialization support for Option<Either<L, R>>.
-//!
-//! `Either` uses default, externally-tagged representation.
-//! However, sometimes it is useful to support several alternative types.
-//! For example, we may have a field which is generally Map<String, i32>
-//! but in typical cases Vec<String> would suffice, too.
-//!
-//! ```rust
-//! # fn main() -> Result<(), Box<dyn std::error::Error>> {
-//! use either::Either;
-//! use std::collections::HashMap;
-//!
-//! #[derive(serde::Serialize, serde::Deserialize, Debug)]
-//! #[serde(transparent)]
-//! struct IntOrString {
-//! #[serde(with = "either::serde_untagged_optional")]
-//! inner: Option<Either<Vec<String>, HashMap<String, i32>>>
-//! };
-//!
-//! // serialization
-//! let data = IntOrString {
-//! inner: Some(Either::Left(vec!["Hello".to_string()]))
-//! };
-//! // notice: no tags are emitted.
-//! assert_eq!(serde_json::to_string(&data)?, r#"["Hello"]"#);
-//!
-//! // deserialization
-//! let data: IntOrString = serde_json::from_str(
-//! r#"{"a": 0, "b": 14}"#
-//! )?;
-//! println!("found {:?}", data);
-//! # Ok(())
-//! # }
-//! ```
-
-use serde::{Deserialize, Deserializer, Serialize, Serializer};
-
-#[derive(Serialize, Deserialize)]
-#[serde(untagged)]
-enum Either<L, R> {
- Left(L),
- Right(R),
-}
-
-pub fn serialize<L, R, S>(
- this: &Option<super::Either<L, R>>,
- serializer: S,
-) -> Result<S::Ok, S::Error>
-where
- S: Serializer,
- L: Serialize,
- R: Serialize,
-{
- let untagged = match this {
- Some(super::Either::Left(left)) => Some(Either::Left(left)),
- Some(super::Either::Right(right)) => Some(Either::Right(right)),
- None => None,
- };
- untagged.serialize(serializer)
-}
-
-pub fn deserialize<'de, L, R, D>(deserializer: D) -> Result<Option<super::Either<L, R>>, D::Error>
-where
- D: Deserializer<'de>,
- L: Deserialize<'de>,
- R: Deserialize<'de>,
-{
- match Option::deserialize(deserializer) {
- Ok(Some(Either::Left(left))) => Ok(Some(super::Either::Left(left))),
- Ok(Some(Either::Right(right))) => Ok(Some(super::Either::Right(right))),
- Ok(None) => Ok(None),
- Err(error) => Err(error),
- }
-}
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