37 lines
1.2 KiB
Rust
37 lines
1.2 KiB
Rust
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// Copyright 2017 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(untagged_unions)]
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use std::mem::transmute;
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pub trait TypeConstructor<'a> {
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type T;
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}
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unsafe fn transmute_lifetime<'a, 'b, C>(x: <C as TypeConstructor<'a>>::T)
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-> <C as TypeConstructor<'b>>::T
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where for<'z> C: TypeConstructor<'z> {
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transmute(x) //~ ERROR transmute called with types of different sizes
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}
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unsafe fn sizes() {
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let x: u8 = transmute(10u16); //~ ERROR transmute called with types of different sizes
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}
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unsafe fn ptrs() {
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let x: u8 = transmute("test"); //~ ERROR transmute called with types of different sizes
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}
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union Foo { x: () }
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unsafe fn vary() {
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let x: Foo = transmute(10); //~ ERROR transmute called with types of different sizes
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}
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fn main() {}
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