associated-types-overridden-default.rs

// 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.

#![feature(associated_consts)]
#![feature(associated_type_defaults)]

pub trait Tr {
    type Assoc = u8;
    type Assoc2 = Self::Assoc;
    const C: u8 = 11;
    fn foo(&self) {}
}

impl Tr for () {
    type Assoc = ();
    //~^ ERROR need to be reimplemented as `Assoc` was overridden: `Assoc2`, `C`, `foo`
}

fn main() {}