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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-projection-from-known-type-in-impl.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-projection-from-known-type-in-impl.rs')
-rw-r--r-- | src/test/ui/associated-types/associated-types-projection-from-known-type-in-impl.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/associated-types-projection-from-known-type-in-impl.rs b/src/test/ui/associated-types/associated-types-projection-from-known-type-in-impl.rs new file mode 100644 index 000000000..a59c327be --- /dev/null +++ b/src/test/ui/associated-types/associated-types-projection-from-known-type-in-impl.rs @@ -0,0 +1,38 @@ +// run-pass +// Test where the impl self type uses a projection from a constant type. + + +trait Int +{ + type T; + + fn dummy(&self) { } +} + +trait NonZero +{ + fn non_zero(self) -> bool; +} + +impl Int for i32 { type T = i32; } +impl Int for i64 { type T = i64; } +impl Int for u32 { type T = u32; } +impl Int for u64 { type T = u64; } + +impl NonZero for <i32 as Int>::T { fn non_zero(self) -> bool { self != 0 } } +impl NonZero for <i64 as Int>::T { fn non_zero(self) -> bool { self != 0 } } +impl NonZero for <u32 as Int>::T { fn non_zero(self) -> bool { self != 0 } } +impl NonZero for <u64 as Int>::T { fn non_zero(self) -> bool { self != 0 } } + +fn main () +{ + assert!(NonZero::non_zero(22_i32)); + assert!(NonZero::non_zero(22_i64)); + assert!(NonZero::non_zero(22_u32)); + assert!(NonZero::non_zero(22_u64)); + + assert!(!NonZero::non_zero(0_i32)); + assert!(!NonZero::non_zero(0_i64)); + assert!(!NonZero::non_zero(0_u32)); + assert!(!NonZero::non_zero(0_u64)); +} |