// Copyright 2016 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. // testing whether the lookup mechanism picks up types // defined in the outside crate // aux-build:issue-21221-4.rs extern crate issue_21221_4; struct Foo; impl T for Foo {} //~^ ERROR trait `T` is not in scope //~| HELP you can to import it into scope: `use issue_21221_4::T;`. //~| HELP run `rustc --explain E0405` to see a detailed explanation fn main() { println!("Hello, world!"); }