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Diffstat (limited to 'src/test/ui/traits/inheritance/simple.rs')
-rw-r--r-- | src/test/ui/traits/inheritance/simple.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/traits/inheritance/simple.rs b/src/test/ui/traits/inheritance/simple.rs new file mode 100644 index 000000000..ca3a284e5 --- /dev/null +++ b/src/test/ui/traits/inheritance/simple.rs @@ -0,0 +1,24 @@ +// run-pass +#![allow(dead_code)] + +trait Foo { fn f(&self) -> isize; } +trait Bar : Foo { fn g(&self) -> isize; } + +struct A { x: isize } + +impl Foo for A { fn f(&self) -> isize { 10 } } +impl Bar for A { fn g(&self) -> isize { 20 } } + +fn ff<T:Foo>(a: &T) -> isize { + a.f() +} + +fn gg<T:Bar>(a: &T) -> isize { + a.g() +} + +pub fn main() { + let a = &A { x: 3 }; + assert_eq!(ff(a), 10); + assert_eq!(gg(a), 20); +} |