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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/higher-rank-trait-bounds/normalize-under-binder/issue-89436.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/higher-rank-trait-bounds/normalize-under-binder/issue-89436.rs')
-rw-r--r-- | src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-89436.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-89436.rs b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-89436.rs new file mode 100644 index 000000000..f7e467b37 --- /dev/null +++ b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-89436.rs @@ -0,0 +1,44 @@ +// check-pass + +#![allow(unused)] + +trait MiniYokeable<'a> { + type Output; +} + +struct MiniYoke<Y: for<'a> MiniYokeable<'a>> { + pub yokeable: Y, +} + +fn map_project_broken<Y, P>( + source: MiniYoke<Y>, + f: impl for<'a> FnOnce( + <Y as MiniYokeable<'a>>::Output, + core::marker::PhantomData<&'a ()>, + ) -> <P as MiniYokeable<'a>>::Output, +) -> MiniYoke<P> +where + Y: for<'a> MiniYokeable<'a>, + P: for<'a> MiniYokeable<'a> +{ + unimplemented!() +} + +struct Bar<'a> { + string_1: &'a str, + string_2: &'a str, +} + +impl<'a> MiniYokeable<'a> for Bar<'static> { + type Output = Bar<'a>; +} + +impl<'a> MiniYokeable<'a> for &'static str { + type Output = &'a str; +} + +fn demo_broken(bar: MiniYoke<Bar<'static>>) -> MiniYoke<&'static str> { + map_project_broken(bar, |bar, _| bar.string_1) +} + +fn main() {} |