mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 17:24:06 +00:00
31 lines
529 B
Rust
31 lines
529 B
Rust
//@ known-bug: rust-lang/rust#126267
|
|
|
|
#![feature(transmutability)]
|
|
#![crate_type = "lib"]
|
|
|
|
pub enum ApiError {}
|
|
pub struct TokioError {
|
|
b: bool,
|
|
}
|
|
pub enum Error {
|
|
Api { source: ApiError },
|
|
Ethereum,
|
|
Tokio { source: TokioError },
|
|
}
|
|
|
|
mod assert {
|
|
use std::mem::BikeshedIntrinsicFrom;
|
|
|
|
pub fn is_transmutable<Src, Dst>()
|
|
where
|
|
Dst: BikeshedIntrinsicFrom<Src>, // safety is NOT assumed
|
|
{
|
|
}
|
|
}
|
|
|
|
fn test() {
|
|
struct Src;
|
|
type Dst = Error;
|
|
assert::is_transmutable::<Src, Dst>();
|
|
}
|