mirror of https://github.com/rust-lang/rust.git
18 lines
425 B
Rust
18 lines
425 B
Rust
// check-fail
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//[next] compile-flags: -Ztrait-solver=next
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#![feature(transmutability)]
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mod assert {
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use std::mem::{Assume, BikeshedIntrinsicFrom};
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pub struct Context;
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pub fn is_transmutable<Src, Dst>()
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where
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Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY }>
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{}
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}
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fn main() {
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assert::is_transmutable::<&'static mut bool, &'static mut u8>() //~ ERROR cannot be safely transmuted
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}
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