rust/src/test/compile-fail/transmute-different-sizes.rs
2015-10-16 10:59:04 +02:00

28 lines
831 B
Rust

// Copyright 2012 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.
// Tests that `transmute` cannot be called on types of different size.
#![allow(warnings)]
use std::mem::transmute;
unsafe fn f() {
let _: i8 = transmute(16i16);
//~^ ERROR transmute called with differently sized types
}
unsafe fn g<T>(x: &T) {
let _: i8 = transmute(x);
//~^ ERROR transmute called with differently sized types
}
fn main() {}