// Copyright 2014 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. trait MyItem {} impl MyItem for T {} pub fn build_archive<'a, I: MyItem<&'a (|&uint|:'a)>>(files: I) {} fn main() { build_archive(&(|_| { })); //~^ ERROR unable to infer enough type information to locate the impl of the trait `MyItem<&|&uint| }