1use super::Vec;
2use crate::alloc::Allocator;
3#[cfg(not(no_global_oom_handling))]
4use crate::borrow::Cow;
5
6macro_rules! __impl_slice_eq1 {
7 ([$($vars:tt)*] $lhs:ty, $rhs:ty $(where $ty:ty: $bound:ident)?, #[$stability:meta]) => {
8 #[$stability]
9 impl<T, U, $($vars)*> PartialEq<$rhs> for $lhs
10 where
11 T: PartialEq<U>,
12 $($ty: $bound)?
13 {
14 #[inline]
15 fn eq(&self, other: &$rhs) -> bool { self[..] == other[..] }
16 #[inline]
17 fn ne(&self, other: &$rhs) -> bool { self[..] != other[..] }
18 }
19 }
20}
21
22__impl_slice_eq1! { [A1: Allocator, A2: Allocator] Vec<T, A1>, Vec<U, A2>, #[stable(feature = "rust1", since = "1.0.0")] }
23__impl_slice_eq1! { [A: Allocator] Vec<T, A>, &[U], #[stable(feature = "rust1", since = "1.0.0")] }
24__impl_slice_eq1! { [A: Allocator] Vec<T, A>, &mut [U], #[stable(feature = "rust1", since = "1.0.0")] }
25__impl_slice_eq1! { [A: Allocator] &[T], Vec<U, A>, #[stable(feature = "partialeq_vec_for_ref_slice", since = "1.46.0")] }
26__impl_slice_eq1! { [A: Allocator] &mut [T], Vec<U, A>, #[stable(feature = "partialeq_vec_for_ref_slice", since = "1.46.0")] }
27__impl_slice_eq1! { [A: Allocator] Vec<T, A>, [U], #[stable(feature = "partialeq_vec_for_slice", since = "1.48.0")] }
28__impl_slice_eq1! { [A: Allocator] [T], Vec<U, A>, #[stable(feature = "partialeq_vec_for_slice", since = "1.48.0")] }
29#[cfg(not(no_global_oom_handling))]
30__impl_slice_eq1! { [A: Allocator] Cow<'_, [T]>, Vec<U, A> where T: Clone, #[stable(feature = "rust1", since = "1.0.0")] }
31#[cfg(not(no_global_oom_handling))]
32__impl_slice_eq1! { [] Cow<'_, [T]>, &[U] where T: Clone, #[stable(feature = "rust1", since = "1.0.0")] }
33#[cfg(not(no_global_oom_handling))]
34__impl_slice_eq1! { [] Cow<'_, [T]>, &mut [U] where T: Clone, #[stable(feature = "rust1", since = "1.0.0")] }
35__impl_slice_eq1! { [A: Allocator, const N: usize] Vec<T, A>, [U; N], #[stable(feature = "rust1", since = "1.0.0")] }
36__impl_slice_eq1! { [A: Allocator, const N: usize] Vec<T, A>, &[U; N], #[stable(feature = "rust1", since = "1.0.0")] }
37
38// NOTE: some less important impls are omitted to reduce code bloat
39// FIXME(Centril): Reconsider this?
40//__impl_slice_eq1! { [const N: usize] Vec<A>, &mut [B; N], }
41//__impl_slice_eq1! { [const N: usize] [A; N], Vec<B>, }
42//__impl_slice_eq1! { [const N: usize] &[A; N], Vec<B>, }
43//__impl_slice_eq1! { [const N: usize] &mut [A; N], Vec<B>, }
44//__impl_slice_eq1! { [const N: usize] Cow<'a, [A]>, [B; N], }
45//__impl_slice_eq1! { [const N: usize] Cow<'a, [A]>, &[B; N], }
46//__impl_slice_eq1! { [const N: usize] Cow<'a, [A]>, &mut [B; N], }
47