rust/src/test/compile-fail/proc-bounds.rs
Alex Crichton 7b4ee5cce7 syntax: Add support for trait bounds on procs
This is needed to make progress on #10296 as the default bounds will no longer
include Send. I believe that this was the originally intended syntax for procs,
and it just hasn't been necessary up until now.
2014-03-11 19:19:20 -07:00

26 lines
870 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 is_send<T: Send>() {}
fn is_freeze<T: Freeze>() {}
fn is_static<T: 'static>() {}
fn main() {
is_send::<proc:()>();
//~^ ERROR: instantiating a type parameter with an incompatible type
is_freeze::<proc:()>();
//~^ ERROR: instantiating a type parameter with an incompatible type
is_static::<proc:()>();
//~^ ERROR: instantiating a type parameter with an incompatible type
}