40 lines
1 KiB
Rust
40 lines
1 KiB
Rust
// Copyright 2016 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.
|
|
|
|
trait T1 {}
|
|
trait T2 {}
|
|
|
|
trait Foo {
|
|
type A: T1; //~ NOTE: ambiguous `A` from `Foo`
|
|
}
|
|
|
|
trait Bar : Foo {
|
|
type A: T2; //~ NOTE: ambiguous `A` from `Bar`
|
|
fn do_something() {
|
|
let _: Self::A;
|
|
//~^ ERROR E0221
|
|
//~| NOTE ambiguous associated type `A`
|
|
}
|
|
}
|
|
|
|
trait T3 {}
|
|
|
|
trait My : std::str::FromStr {
|
|
type Err: T3; //~ NOTE: ambiguous `Err` from `My`
|
|
fn test() {
|
|
let _: Self::Err;
|
|
//~^ ERROR E0221
|
|
//~| NOTE ambiguous associated type `Err`
|
|
//~| NOTE associated type `Self` could derive from `std::str::FromStr`
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
}
|