mirror of https://github.com/rust-lang/rust.git
30 lines
616 B
Rust
30 lines
616 B
Rust
//@ known-bug: rust-lang/rust#126377
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#![feature(effects)]
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#![feature(generic_const_exprs)]
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mod assert {
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use std::mem::{Assume, TransmuteFrom};
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pub fn is_transmutable<
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Src,
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Dst,
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const ASSUME_ALIGNMENT: bool,
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const ASSUME_LIFETIMES: bool,
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const ASSUME_SAFETY: bool,
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const ASSUME_VALIDITY: bool,
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>()
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where
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Dst: TransmuteFrom<
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Src,
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{ }
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>,
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{}
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}
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const fn from_options() -> Assume {
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#[repr(C)] struct Src;
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#[repr(C)] struct Dst;
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assert::is_transmutable::<Src, Dst, {0u8}, false, false, false>();
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}
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