| // Copyright 2023 The Fuchsia Authors |
| // |
| // Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0 |
| // <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT |
| // license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option. |
| // This file may not be copied, modified, or distributed except according to |
| // those terms. |
| |
| extern crate zerocopy; |
| |
| use zerocopy::KnownLayout; |
| |
| fn main() {} |
| |
| // These tests cause errors which are generated by a later compilation pass than |
| // the other errors we generate, and so if they're compiled in the same file, |
| // the compiler will never get to that pass, and so we won't get the errors. |
| |
| // |
| // KnownLayout errors |
| // |
| |
| fn assert_kl<T: ?Sized + KnownLayout>(_: &T) {} |
| |
| // | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | |
| // | N | Y | N | N | KL04 | |
| #[derive(KnownLayout)] |
| struct KL04<T: ?Sized>(u8, T); |
| |
| fn test_kl04<T: ?Sized>(kl: &KL04<T>) { |
| assert_kl(kl); |
| } |
| |
| // | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | |
| // | N | Y | Y | N | KL06 | |
| #[derive(KnownLayout)] |
| struct KL06<T: ?Sized + KnownLayout>(u8, T); |
| |
| fn test_kl06<T: ?Sized + KnownLayout>(kl: &KL06<T>) { |
| assert_kl(kl); |
| } |
| |
| // | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | |
| // | Y | Y | N | N | KL12 | |
| #[derive(KnownLayout)] |
| #[repr(C)] |
| struct KL12<T: ?Sized>(u8, T); |
| |
| fn test_kl12<T: ?Sized>(kl: &KL12<T>) { |
| assert_kl(kl) |
| } |
| |
| // | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | |
| // | Y | Y | N | Y | KL13 | |
| #[derive(KnownLayout)] |
| #[repr(C)] |
| struct KL13<T>(u8, T); |
| |
| fn test_kl13<T>(t: T) -> impl KnownLayout { |
| KL13(0u8, t) |
| } |