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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/traits/impl-inherent-prefer-over-trait.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/traits/impl-inherent-prefer-over-trait.rs')
-rw-r--r-- | src/test/ui/traits/impl-inherent-prefer-over-trait.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/traits/impl-inherent-prefer-over-trait.rs b/src/test/ui/traits/impl-inherent-prefer-over-trait.rs new file mode 100644 index 000000000..827607888 --- /dev/null +++ b/src/test/ui/traits/impl-inherent-prefer-over-trait.rs @@ -0,0 +1,30 @@ +// run-pass + +struct Foo; + +trait Trait { + fn bar(&self); +} + +// Inherent impls should be preferred over trait ones. +impl Foo { + fn bar(&self) {} +} + +impl dyn Trait { + fn baz(_: &Foo) {} +} + +impl Trait for Foo { + fn bar(&self) { panic!("wrong method called!") } +} + +fn main() { + Foo.bar(); + Foo::bar(&Foo); + <Foo>::bar(&Foo); + + // Should work even if Trait::baz doesn't exist. + // N.B: `<Trait>::bar` would be ambiguous. + <dyn Trait>::baz(&Foo); +} |