diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs')
-rw-r--r-- | tests/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs b/tests/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs new file mode 100644 index 000000000..e09aa3663 --- /dev/null +++ b/tests/ui/associated-types/associated-types-normalize-in-bounds-ufcs.rs @@ -0,0 +1,35 @@ +// run-pass +#![allow(unused_variables)] +// Test that we normalize associated types that appear in bounds; if +// we didn't, the call to `self.split2()` fails to type check. + +// pretty-expanded FIXME #23616 + +use std::marker::PhantomData; + +struct Splits<'a, T:'a, P>(PhantomData<(&'a T, P)>); +struct SplitsN<I>(PhantomData<I>); + +trait SliceExt2 { + type Item; + + fn split2<'a, P>(&'a self, pred: P) -> Splits<'a, Self::Item, P> + where P: FnMut(&Self::Item) -> bool; + fn splitn2<'a, P>(&'a self, n: u32, pred: P) -> SplitsN<Splits<'a, Self::Item, P>> + where P: FnMut(&Self::Item) -> bool; +} + +impl<T> SliceExt2 for [T] { + type Item = T; + + fn split2<P>(&self, pred: P) -> Splits<T, P> where P: FnMut(&T) -> bool { + loop {} + } + + fn splitn2<P>(&self, n: u32, pred: P) -> SplitsN<Splits<T, P>> where P: FnMut(&T) -> bool { + SliceExt2::split2(self, pred); + loop {} + } +} + +fn main() { } |