// 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. trait get_ctxt { fn get_ctxt() -> &self/uint; } fn make_gc1(gc: get_ctxt/&a) -> get_ctxt/&b { return gc; //~ ERROR mismatched types: expected `@get_ctxt/&b` but found `@get_ctxt/&a` } struct Foo { r: &'self uint } impl get_ctxt/&self for Foo/&self { fn get_ctxt() -> &self/uint { self.r } } fn make_gc2(foo: Foo/&a) -> get_ctxt/&b { return @foo as get_ctxt; //~ ERROR cannot infer an appropriate lifetime } fn main() { }