mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rollup merge of #104125 - ink-feather-org:const_cmp_tuples, r=fee1-dead

Browse Source 
Const Compare for Tuples

Makes the impls for Tuples of ~const `PartialEq` types also `PartialEq`, impls for Tuples of ~const `PartialOrd` types also `PartialOrd`, for Tuples of ~const `Ord` types also `Ord`.

behind the `#![feature(const_cmp)]` gate.

~~Do not merge before #104113 is merged because I want to use this feature to clean up the new test that I added there.~~

r? ``@fee1-dead``
This commit is contained in:
Dylan DPC 2022-11-09 19:21:25 +05:30 committed by GitHub
commit 062f2fc50f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
library/core/src/tuple.rs
View File

@ -22,7 +22,8 @@ macro_rules! tuple_impls {
maybe_tuple_doc! {
$($T)+ @
#[stable(feature = "rust1", since = "1.0.0")]
impl<$($T:PartialEq),+> PartialEq for ($($T,)+)
#[rustc_const_unstable(feature = "const_cmp", issue = "92391")]
impl<$($T: ~const PartialEq),+> const PartialEq for ($($T,)+)
where
last_type!($($T,)+): ?Sized
{
@ -40,7 +41,7 @@ macro_rules! tuple_impls {
maybe_tuple_doc! {
$($T)+ @
#[stable(feature = "rust1", since = "1.0.0")]
impl<$($T:Eq),+> Eq for ($($T,)+)
impl<$($T: Eq),+> Eq for ($($T,)+)
where
last_type!($($T,)+): ?Sized
{}
@ -49,7 +50,8 @@ macro_rules! tuple_impls {
maybe_tuple_doc! {
$($T)+ @
#[stable(feature = "rust1", since = "1.0.0")]
impl<$($T:PartialOrd + PartialEq),+> PartialOrd for ($($T,)+)
#[rustc_const_unstable(feature = "const_cmp", issue = "92391")]
impl<$($T: ~const PartialOrd + ~const PartialEq),+> const PartialOrd for ($($T,)+)
where
last_type!($($T,)+): ?Sized
{
@ -79,7 +81,8 @@ macro_rules! tuple_impls {
maybe_tuple_doc! {
$($T)+ @
#[stable(feature = "rust1", since = "1.0.0")]
impl<$($T:Ord),+> Ord for ($($T,)+)
#[rustc_const_unstable(feature = "const_cmp", issue = "92391")]
impl<$($T: ~const Ord),+> const Ord for ($($T,)+)
where
last_type!($($T,)+): ?Sized
{

19
src/test/ui/consts/fn_trait_refs.rs
View File

@ -1,4 +1,4 @@
// build-pass
// check-pass
#![feature(const_fn_trait_ref_impls)]
#![feature(fn_traits)]
@ -60,21 +60,18 @@ const fn test(i: i32) -> i32 {
i + 1
}
const fn main() {
fn main() {
const fn one() -> i32 {
1
};
const fn two() -> i32 {
2
};
const _: () = {
let test_one = test_fn(one);
assert!(test_one == (1, 1, 1));
// FIXME(const_cmp_tuple)
let test_one = test_fn(one);
assert!(test_one.0 == 1);
assert!(test_one.1 == 1);
assert!(test_one.2 == 1);
let test_two = test_fn_mut(two);
assert!(test_two.0 == 1);
assert!(test_two.1 == 1);
let test_two = test_fn_mut(two);
assert!(test_two == (2, 2));
};
}