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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/chalkify/projection.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/chalkify/projection.rs')
-rw-r--r-- | src/test/ui/chalkify/projection.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/chalkify/projection.rs b/src/test/ui/chalkify/projection.rs new file mode 100644 index 000000000..d6a8dd7a4 --- /dev/null +++ b/src/test/ui/chalkify/projection.rs @@ -0,0 +1,25 @@ +// run-pass +// compile-flags: -Z chalk + +trait Foo { } + +trait Bar { + type Item: Foo; +} + +impl Foo for i32 { } +impl Bar for i32 { + type Item = i32; +} + +fn only_foo<T: Foo>() { } + +fn only_bar<T: Bar>() { + // `T` implements `Bar` hence `<T as Bar>::Item` must also implement `Bar` + only_foo::<T::Item>() +} + +fn main() { + only_bar::<i32>(); + only_foo::<<i32 as Bar>::Item>(); +} |