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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-binding-to-type-defined-in-supertrait.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-binding-to-type-defined-in-supertrait.rs')
-rw-r--r-- | src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.rs b/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.rs new file mode 100644 index 000000000..6b2bbbe2e --- /dev/null +++ b/src/test/ui/associated-types/associated-types-binding-to-type-defined-in-supertrait.rs @@ -0,0 +1,35 @@ +// Test equality constraints in a where clause where the type being +// equated appears in a supertrait. + +pub trait Vehicle { + type Color; + + fn go(&self) { } +} + +pub trait Car : Vehicle { + fn honk(&self) { } +} + +struct Black; +struct ModelT; +impl Vehicle for ModelT { type Color = Black; } +impl Car for ModelT { } + +struct Blue; +struct ModelU; +impl Vehicle for ModelU { type Color = Blue; } +impl Car for ModelU { } + +fn black_car<C:Car<Color=Black>>(c: C) { +} + +fn blue_car<C:Car<Color=Blue>>(c: C) { +} + +fn a() { black_car(ModelT); } +fn b() { blue_car(ModelT); } //~ ERROR type mismatch +fn c() { black_car(ModelU); } //~ ERROR type mismatch +fn d() { blue_car(ModelU); } + +pub fn main() { } |