ade807c6dc
This removes all remnants of `@` pointers from rustc. Additionally, this removes the `GC` structure from the prelude as it seems odd exporting an experimental type in the prelude by default. Closes #14193 [breaking-change]
45 lines
1.1 KiB
Rust
45 lines
1.1 KiB
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(macro_rules, managed_boxes)]
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use std::mem;
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use std::gc::Gc;
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enum E<T> { Thing(int, T), Nothing((), ((), ()), [i8, ..0]) }
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struct S<T>(int, T);
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// These are macros so we get useful assert messages.
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macro_rules! check_option {
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($T:ty) => {
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assert_eq!(mem::size_of::<Option<$T>>(), mem::size_of::<$T>());
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}
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}
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macro_rules! check_fancy {
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($T:ty) => {
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assert_eq!(mem::size_of::<E<$T>>(), mem::size_of::<S<$T>>());
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}
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}
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macro_rules! check_type {
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($T:ty) => {{
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check_option!($T);
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check_fancy!($T);
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}}
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}
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pub fn main() {
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check_type!(&'static int);
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check_type!(Box<int>);
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check_type!(Gc<int>);
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check_type!(extern fn());
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}
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