32 lines
945 B
Rust
32 lines
945 B
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(unsize, coerce_unsized)]
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#[repr(packed)]
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struct UnalignedPtr<'a, T: ?Sized>
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where T: 'a,
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{
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data: &'a T,
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}
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fn main() {
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impl<'a, T, U> std::ops::CoerceUnsized<UnalignedPtr<'a, U>> for UnalignedPtr<'a, T>
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where
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T: std::marker::Unsize<U> + ?Sized,
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U: ?Sized,
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{ }
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let arr = [1, 2, 3];
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let arr_unaligned: UnalignedPtr<[i32; 3]> = UnalignedPtr { data: &arr };
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let arr_unaligned: UnalignedPtr<[i32]> = arr_unaligned;
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}
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