27 lines
902 B
Rust
27 lines
902 B
Rust
// 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);
|
|
}
|