mirror of https://github.com/rust-lang/rust
32 lines
834 B
Rust
32 lines
834 B
Rust
//@ run-pass
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use std::mem;
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#[allow(dead_code)]
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struct Trivial(u8, f32);
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#[allow(dead_code)]
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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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