mirror of https://github.com/rust-lang/rust.git
41 lines
538 B
Rust
41 lines
538 B
Rust
//@ run-pass
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#![feature(trait_alias)]
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mod inner {
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pub trait Foo {
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fn foo(&self);
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}
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pub struct Qux;
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impl Foo for Qux {
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fn foo(&self) {}
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}
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pub trait Bar = Foo;
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}
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mod two {
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pub trait A {
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fn foo();
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}
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impl A for u8 {
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fn foo() {}
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}
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}
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// Import only the alias, not the `Foo` trait.
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use inner::{Bar, Qux};
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// Declaring an alias also brings in aliased methods.
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trait Two = two::A;
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fn main() {
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let q = Qux;
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q.foo(); // From Bar.
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u8::foo(); // From A.
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}
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