[rustc.git] / src / test / compile-fail / issue-21763.rs

// 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.

// Regression test for HashMap only impl'ing Send/Sync if its contents do

use std::collections::HashMap;
use std::rc::Rc;

fn foo<T: Send>() {}

fn main() {
    foo::<HashMap<Rc<()>, Rc<()>>>();
    //~^ ERROR: `std::rc::Rc<()>: std::marker::Send` is not satisfied
}
Commit	Line	Data
1a4d82fc	1	// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
223e47cc LB	2	// file at the top-level directory of this distribution and at
	3	// http://rust-lang.org/COPYRIGHT.
	4	//
	5	// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
	6	// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
	7	// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
	8	// option. This file may not be copied, modified, or distributed
	9	// except according to those terms.
	10
85aaf69f	11	// Regression test for HashMap only impl'ing Send/Sync if its contents do
223e47cc	12
85aaf69f SL	13	use std::collections::HashMap;
	14	use std::rc::Rc;
	15
	16	fn foo<T: Send>() {}
223e47cc	17
223e47cc	18	fn main() {
85aaf69f	19	foo::<HashMap<Rc<()>, Rc<()>>>();
54a0048b	20	//~^ ERROR: `std::rc::Rc<()>: std::marker::Send` is not satisfied
223e47cc	21	}