rust/src/test/run-pass/enum-alignment.rs
Brian Anderson 8c93a79e38 rustdoc: Replace no-pretty-expanded with pretty-expanded
Now that features must be declared expanded source often does not compile.
This adds 'pretty-expanded' to a bunch of test cases that still work.
2015-03-23 14:40:26 -07:00

33 lines
864 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.
// pretty-expanded FIXME #23616
use std::mem;
fn addr_of<T>(ptr: &T) -> uint {
ptr as *const T as uint
}
fn is_aligned<T>(ptr: &T) -> bool {
unsafe {
let addr: uint = mem::transmute(ptr);
(addr % mem::min_align_of::<T>()) == 0
}
}
pub fn main() {
let x = Some(0u64);
match x {
None => panic!(),
Some(ref y) => assert!(is_aligned(y))
}
}