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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-consts/associated-const-type-parameters.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-consts/associated-const-type-parameters.rs')
-rw-r--r-- | src/test/ui/associated-consts/associated-const-type-parameters.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/associated-consts/associated-const-type-parameters.rs b/src/test/ui/associated-consts/associated-const-type-parameters.rs new file mode 100644 index 000000000..e7ead1045 --- /dev/null +++ b/src/test/ui/associated-consts/associated-const-type-parameters.rs @@ -0,0 +1,44 @@ +// run-pass + +trait Foo { + const X: i32; + fn get_x() -> i32 { + Self::X + } +} + +struct Abc; +impl Foo for Abc { + const X: i32 = 11; +} + +struct Def; +impl Foo for Def { + const X: i32 = 97; +} + +struct Proxy<T>(#[allow(unused_tuple_struct_fields)] T); + +impl<T: Foo> Foo for Proxy<T> { + const X: i32 = T::X; +} + +fn sub<A: Foo, B: Foo>() -> i32 { + A::X - B::X +} + +trait Bar: Foo { + const Y: i32 = Self::X; +} + +fn main() { + assert_eq!(11, Abc::X); + assert_eq!(97, Def::X); + assert_eq!(11, Abc::get_x()); + assert_eq!(97, Def::get_x()); + assert_eq!(-86, sub::<Abc, Def>()); + assert_eq!(86, sub::<Def, Abc>()); + assert_eq!(-86, sub::<Proxy<Abc>, Def>()); + assert_eq!(-86, sub::<Abc, Proxy<Def>>()); + assert_eq!(86, sub::<Proxy<Def>, Proxy<Abc>>()); +} |