31 lines
814 B
Rust
31 lines
814 B
Rust
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// Copyright 2016 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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trait Bar {
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type Bar;
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}
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struct ArrayPeano<T: Bar> {
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data: T::Bar,
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}
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fn foo<T>(a: &ArrayPeano<T>) -> &[T] where T: Bar {
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unsafe { std::mem::transmute(a) } //~ ERROR transmute called with differently sized types
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}
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impl Bar for () {
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type Bar = ();
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}
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fn main() {
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let x: ArrayPeano<()> = ArrayPeano { data: () };
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foo(&x);
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}
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