| // 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. |
| |
| #![allow(unused)] |
| |
| fn foo<F>(f: F) |
| where F: Fn() |
| { |
| } |
| |
| fn main() { |
| // Test that this closure is inferred to `FnOnce` because it moves |
| // from `y.0`. This affects the error output (the error is that |
| // the closure implements `FnOnce`, not that it moves from inside |
| // a `Fn` closure.) |
| let y = (vec![1, 2, 3], 0); |
| let c = || drop(y.0); //~ ERROR expected a closure that implements the `Fn` trait |
| foo(c); |
| } |
