rust/src/test/compile-fail/kindck-send-region-pointers.rs

35 lines
1.2 KiB
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.
// Test that borrowed pointers are not sendable unless 'static.
fn assert_send<T:Send>() { }
// lifetime pointers with 'static lifetime are ok
fn test01() { assert_send::<&'static int>(); }
fn test02() { assert_send::<&'static str>(); }
fn test03() { assert_send::<&'static [int]>(); }
// whether or not they are mutable
fn test10() { assert_send::<&'static mut int>(); }
// otherwise lifetime pointers are not ok
fn test20<'a>(_: &'a int) {
assert_send::<&'a int>(); //~ ERROR does not fulfill the required lifetime
}
fn test21<'a>(_: &'a int) {
assert_send::<&'a str>(); //~ ERROR does not fulfill the required lifetime
}
fn test22<'a>(_: &'a int) {
assert_send::<&'a [int]>(); //~ ERROR does not fulfill the required lifetime
}
fn main() { }