rust/tests/ui/transmutability/references/u8-to-unit.rs
Jack Wrenn 23ab1bda92 safe transmute: revise safety analysis
Migrate to a simplified safety analysis that does not use visibility.

Closes https://github.com/rust-lang/project-safe-transmute/issues/15
2024-02-27 16:22:32 +00:00

24 lines
502 B
Rust

//@ check-pass
#![feature(transmutability)]
mod assert {
use std::mem::{Assume, BikeshedIntrinsicFrom};
pub fn is_maybe_transmutable<Src, Dst>()
where
Dst: BikeshedIntrinsicFrom<Src, {
Assume {
alignment: false,
lifetimes: true,
safety: true,
validity: false,
}
}>
{}
}
fn main() {
#[repr(C)] struct Unit;
assert::is_maybe_transmutable::<&'static u8, &'static Unit>();
}