| // 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 <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. |
| |
| // Test that we are able to infer that the type of `x` is `isize` based |
| // on the expected type from the object. |
| |
| // pretty-expanded FIXME #23616 |
| |
| pub trait ToPrimitive { |
| fn to_int(&self) {} |
| } |
| |
| impl ToPrimitive for isize {} |
| impl ToPrimitive for i32 {} |
| impl ToPrimitive for usize {} |
| |
| fn doit<T,F>(val: T, f: &F) |
| where F : Fn(&T) |
| { |
| f(&val) |
| } |
| |
| pub fn main() { |
| doit(0, &|x /*: isize*/ | { x.to_int(); }); |
| } |
