rust/src/test/compile-fail/associated-item-duplicate-names.rs
Nick Hamann 560bb0af6d Better detection of duplicate associated items.
Expands E0201 to be used for any duplicate associated items, not just duplicate
methods/functions. It also correctly detects when two different kinds of items
(like a constant and a method) have the same name.

Fixes #23969.
2015-07-15 13:32:29 -05:00

31 lines
839 B
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 for issue #23969
#![feature(associated_consts)]
trait Foo {
type Ty;
const BAR: u32;
}
impl Foo for () {
type Ty = ();
type Ty = usize; //~ ERROR duplicate associated type
const BAR: u32 = 7;
const BAR: u32 = 8; //~ ERROR duplicate associated constant
}
fn main() {
let _: <() as Foo>::Ty = ();
let _: u32 = <() as Foo>::BAR;
}