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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/associated-types/associated-types-normalize-in-bounds.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/associated-types/associated-types-normalize-in-bounds.rs')
-rw-r--r-- | src/test/ui/associated-types/associated-types-normalize-in-bounds.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/associated-types-normalize-in-bounds.rs b/src/test/ui/associated-types/associated-types-normalize-in-bounds.rs new file mode 100644 index 000000000..dcfae0f37 --- /dev/null +++ b/src/test/ui/associated-types/associated-types-normalize-in-bounds.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, 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: usize, 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: usize, pred: P) -> SplitsN<Splits<T, P>> where P: FnMut(&T) -> bool { + self.split2(pred); + loop {} + } +} + +fn main() { } |