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f4cf8f65a5
- Create `Answer` type that is not just a type alias of `Result` - Remove a usage of `map_layouts` to make the code easier to read - Don't hide errors related to Unknown Layout when computing transmutability
23 lines
621 B
Rust
23 lines
621 B
Rust
// An unknown destination type should be gracefully handled.
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#![crate_type = "lib"]
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#![feature(transmutability)]
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#![allow(dead_code, incomplete_features, non_camel_case_types)]
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mod assert {
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use std::mem::BikeshedIntrinsicFrom;
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pub struct Context;
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pub fn is_transmutable<Src, Dst, Context>()
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where
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Dst: BikeshedIntrinsicFrom<Src, Context>
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{}
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}
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fn should_gracefully_handle_unknown_dst_field() {
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struct Context;
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#[repr(C)] struct Src;
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#[repr(C)] struct Dst(Missing); //~ cannot find type
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assert::is_transmutable::<Src, Dst, Context>(); //~ ERROR cannot be safely transmuted
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}
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