bjoernager/rust
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Derive Eq for std::cmp::Ordering, instead of using manual impl.

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This allows consts of type Ordering to be used in patterns, and (with feature(adt_const_params)) allows using Orderings as const generic parameters.
This commit is contained in:
Zachary S 2022-03-16 11:36:31 -05:00
parent 461e807801
commit ba611d55f3
1 changed files with 1 additions and 4 deletions
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5
library/core/src/cmp.rs
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@ -333,7 +333,7 @@ pub struct AssertParamIsEq<T: Eq + ?Sized> {
/// let result = 2.cmp(&1);
/// assert_eq!(Ordering::Greater, result);
/// ```
#[derive(Clone, Copy, PartialEq, Debug, Hash)]
#[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)]
#[stable(feature = "rust1", since = "1.0.0")]
#[repr(i8)]
pub enum Ordering {
@ -861,9 +861,6 @@ pub macro Ord($item:item) {
/* compiler built-in */
}
#[stable(feature = "rust1", since = "1.0.0")]
impl Eq for Ordering {}
#[stable(feature = "rust1", since = "1.0.0")]
impl Ord for Ordering {
#[inline]