rust/src/test/compile-fail/static-mut-foreign-requires-unsafe.rs
2013-06-23 18:00:32 -07:00

22 lines
669 B
Rust

// Copyright 2013 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.
use std::libc;
extern {
static mut a: libc::c_int;
}
fn main() {
a += 3; //~ ERROR: requires unsafe
a = 4; //~ ERROR: requires unsafe
let _b = a; //~ ERROR: requires unsafe
}