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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/trait-upcasting/subtrait-method.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/trait-upcasting/subtrait-method.rs')
-rw-r--r-- | src/test/ui/traits/trait-upcasting/subtrait-method.rs | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/test/ui/traits/trait-upcasting/subtrait-method.rs b/src/test/ui/traits/trait-upcasting/subtrait-method.rs new file mode 100644 index 000000000..3508e1528 --- /dev/null +++ b/src/test/ui/traits/trait-upcasting/subtrait-method.rs @@ -0,0 +1,70 @@ +#![feature(trait_upcasting)] +#![allow(incomplete_features)] + +trait Foo: PartialEq<i32> + std::fmt::Debug + Send + Sync { + fn a(&self) -> i32 { + 10 + } + + fn z(&self) -> i32 { + 11 + } + + fn y(&self) -> i32 { + 12 + } +} + +trait Bar: Foo { + fn b(&self) -> i32 { + 20 + } + + fn w(&self) -> i32 { + 21 + } +} + +trait Baz: Bar { + fn c(&self) -> i32 { + 30 + } +} + +impl Foo for i32 { + fn a(&self) -> i32 { + 100 + } +} + +impl Bar for i32 { + fn b(&self) -> i32 { + 200 + } +} + +impl Baz for i32 { + fn c(&self) -> i32 { + 300 + } +} + +fn main() { + let baz: &dyn Baz = &1; + + let bar: &dyn Bar = baz; + bar.c(); + //~^ ERROR no method named `c` found for reference `&dyn Bar` in the current scope [E0599] + + let foo: &dyn Foo = baz; + foo.b(); + //~^ ERROR no method named `b` found for reference `&dyn Foo` in the current scope [E0599] + foo.c(); + //~^ ERROR no method named `c` found for reference `&dyn Foo` in the current scope [E0599] + + let foo: &dyn Foo = bar; + foo.b(); + //~^ ERROR no method named `b` found for reference `&dyn Foo` in the current scope [E0599] + foo.c(); + //~^ ERROR no method named `c` found for reference `&dyn Foo` in the current scope [E0599] +} |