// Copyright 2012 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. // Tests that you can use a fn lifetime parameter as part of // the value for a type parameter in a bound. trait GetRef<'a> { fn get(&self) -> &'a isize; } struct Box<'a> { t: &'a isize } impl<'a> GetRef<'a> for Box<'a> { fn get(&self) -> &'a isize { self.t } } impl<'a> Box<'a> { fn or<'b,G:GetRef<'b>>(&self, g2: G) -> &'a isize { g2.get() //~^ ERROR cannot infer an appropriate lifetime for automatic coercion due to //~| ERROR mismatched types //~| expected `&'a isize` //~| found `&'b isize` //~| lifetime mismatch } } fn main() { }