rust/src/test/run-pass/issue-2311-2.rs

// Copyright 2012 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 clam<A:Copy> { }
struct foo<A> {
    x: A,
}

pub impl<A:Copy> foo<A> {
   fn bar<B,C:clam<A>>(&self, c: C) -> B {
     fail!();
   }
}

fn foo<A:Copy>(b: A) -> foo<A> {
    foo {
        x: b
    }
}

pub fn main() { }