// Copyright 2013 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 Foo { } // This should emit the less confusing error, not the more confusing one. fn foo(_x: Foo:Send) { //~^ERROR reference to trait `Foo` where a type is expected; try `Box` or `&Foo` } fn main() { }