39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
// Copyright 2018 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(const_needs_drop)]
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use std::mem;
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struct Trivial(u8, f32);
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struct NonTrivial(u8, String);
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const CONST_U8: bool = mem::needs_drop::<u8>();
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const CONST_STRING: bool = mem::needs_drop::<String>();
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const CONST_TRIVIAL: bool = mem::needs_drop::<Trivial>();
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const CONST_NON_TRIVIAL: bool = mem::needs_drop::<NonTrivial>();
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static STATIC_U8: bool = mem::needs_drop::<u8>();
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static STATIC_STRING: bool = mem::needs_drop::<String>();
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static STATIC_TRIVIAL: bool = mem::needs_drop::<Trivial>();
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static STATIC_NON_TRIVIAL: bool = mem::needs_drop::<NonTrivial>();
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fn main() {
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assert!(!CONST_U8);
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assert!(CONST_STRING);
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assert!(!CONST_TRIVIAL);
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assert!(CONST_NON_TRIVIAL);
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assert!(!STATIC_U8);
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assert!(STATIC_STRING);
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assert!(!STATIC_TRIVIAL);
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assert!(STATIC_NON_TRIVIAL);
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}
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