rust/tests/ui/transmutability/malformed-program-gracefulness/unknown_src.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

20 lines
465 B
Rust

// An unknown source type should be gracefully handled.
#![crate_type = "lib"]
#![feature(transmutability)]
#![allow(dead_code, incomplete_features, non_camel_case_types)]
mod assert {
use std::mem::BikeshedIntrinsicFrom;
pub fn is_transmutable<Src, Dst>()
where
Dst: BikeshedIntrinsicFrom<Src>
{}
}
fn should_gracefully_handle_unknown_src() {
#[repr(C)] struct Dst;
assert::is_transmutable::<Src, Dst>(); //~ cannot find type
}