30 lines
841 B
Rust
30 lines
841 B
Rust
// Copyright 2015 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.
|
|
|
|
#![feature(optin_builtin_traits)]
|
|
|
|
use std::marker::Send;
|
|
|
|
pub struct WaitToken;
|
|
impl !Send for WaitToken {}
|
|
|
|
pub struct Test<T>(T);
|
|
unsafe impl<T: 'static> Send for Test<T> {}
|
|
|
|
pub fn spawn<F>(_: F) -> () where F: FnOnce(), F: Send + 'static {}
|
|
|
|
fn main() {
|
|
let wt = Test(WaitToken);
|
|
spawn(move || {
|
|
let x = wt;
|
|
println!("Hello, World!");
|
|
});
|
|
}
|