src/test/compile-fail/wf-trait-fn-where-clause.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.

// Check that we test WF conditions for fn where clauses in a trait definition.

#![feature(rustc_attrs)]
#![allow(dead_code)]
#![allow(unused_variables)]

struct Bar<T:Eq+?Sized> { value: Box<T> }

trait Foo {
    fn bar(&self) where Bar<Self>: Copy;
        //~^ ERROR E0277
        //
        // Here, Eq ought to be implemented.
}

#[rustc_error]
fn main() { }