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// 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.
#![feature(macro_rules)]
extern crate debug;
use std::mem::size_of;
#[deriving(PartialEq, Show)]
enum Either<T, U> { Left(T), Right(U) }
macro_rules! check {
($t:ty, $sz:expr, $($e:expr, $s:expr),*) => {{
assert_eq!(size_of::<$t>(), $sz);
$({
static S: $t = $e;
let v: $t = $e;
assert_eq!(S, v);
assert_eq!(format!("{:?}", v).as_slice(), $s);
assert_eq!(format!("{:?}", S).as_slice(), $s);
});*
}}
}
pub fn main() {
check!(Option<u8>, 2,
None, "None",
Some(129u8), "Some(129u8)");
check!(Option<i16>, 4,
None, "None",
Some(-20000i16), "Some(-20000i16)");
check!(Either<u8, i8>, 2,
Left(132u8), "Left(132u8)",
Right(-32i8), "Right(-32i8)");
check!(Either<u8, i16>, 4,
Left(132u8), "Left(132u8)",
Right(-20000i16), "Right(-20000i16)");
}
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