// 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 Deserializer<'a> { } trait Deserializable { fn deserialize_token<'a, D: Deserializer<'a>>(D, &'a str) -> Self; } impl<'a, T: Deserializable> Deserializable for &'a str { //~^ ERROR unable to infer enough type information fn deserialize_token>(_x: D, _y: &'a str) -> &'a str { } } fn main() {}