rust/src/test/compile-fail/self-impl.rs
2016-08-05 21:31:18 -07:00

45 lines
1.1 KiB
Rust

// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Test that unsupported uses of `Self` in impls don't crash
struct Bar;
trait Foo {
type Baz;
}
trait SuperFoo {
type SuperBaz;
}
impl Foo for Bar {
type Baz = bool;
}
impl SuperFoo for Bar {
type SuperBaz = bool;
}
impl Bar {
fn f() {
let _: <Self>::Baz = true;
//~^ ERROR ambiguous associated type
//~| NOTE ambiguous associated type
//~| NOTE specify the type using the syntax `<Bar as Trait>::Baz`
let _: Self::Baz = true;
//~^ ERROR ambiguous associated type
//~| NOTE ambiguous associated type
//~| NOTE specify the type using the syntax `<Bar as Trait>::Baz`
}
}
fn main() {}