| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // pretty-expanded FIXME #23616 |
| |
| trait thing<A> { |
| fn foo(&self) -> Option<A>; |
| } |
| impl<A> thing<A> for isize { |
| fn foo(&self) -> Option<A> { None } |
| } |
| fn foo_func<A, B: thing<A>>(x: B) -> Option<A> { x.foo() } |
| |
| struct A { a: isize } |
| |
| pub fn main() { |
| let _x: Option<f64> = foo_func(0); |
| } |
