rust/src/test/run-pass/issue-17897.rs
Alex Crichton 8d90d3f368 Remove all unstable deprecated functionality
This commit removes all unstable and deprecated functions in the standard
library. A release was recently cut (1.3) which makes this a good time for some
spring cleaning of the deprecated functions.
2015-08-12 14:55:17 -07:00

18 lines
610 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.
fn action(mut cb: Box<FnMut(usize) -> usize>) -> usize {
cb(1)
}
pub fn main() {
println!("num: {}", action(Box::new(move |u| u)));
}