// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // ignore-tidy-linelength trait A {} fn f(a: &A) {} //~^ ERROR E0393 //~| NOTE missing reference to `T` //~| NOTE because of the default `Self` reference, type parameters must be specified on object types fn main() {}