diff options
Diffstat (limited to 'src/test/ui/traits/alias/import.rs')
-rw-r--r-- | src/test/ui/traits/alias/import.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/traits/alias/import.rs b/src/test/ui/traits/alias/import.rs new file mode 100644 index 000000000..802a8f156 --- /dev/null +++ b/src/test/ui/traits/alias/import.rs @@ -0,0 +1,40 @@ +// run-pass + +#![feature(trait_alias)] + +mod inner { + pub trait Foo { + fn foo(&self); + } + + pub struct Qux; + + impl Foo for Qux { + fn foo(&self) {} + } + + pub trait Bar = Foo; +} + +mod two { + pub trait A { + fn foo(); + } + + impl A for u8 { + fn foo() {} + } +} + +// Import only the alias, not the `Foo` trait. +use inner::{Bar, Qux}; + +// Declaring an alias also brings in aliased methods. +trait Two = two::A; + +fn main() { + let q = Qux; + q.foo(); // From Bar. + + u8::foo(); // From A. +} |