cheep-crator-2/vendor/bytemuck/src/zeroable_in_option.rs

29 lines
1023 B
Rust

use super::*;
// Note(Lokathor): This is the neat part!!
unsafe impl<T: ZeroableInOption> Zeroable for Option<T> {}
/// Trait for types which are [Zeroable](Zeroable) when wrapped in
/// [Option](core::option::Option).
///
/// ## Safety
///
/// * `Option<YourType>` must uphold the same invariants as
/// [Zeroable](Zeroable).
pub unsafe trait ZeroableInOption: Sized {}
unsafe impl ZeroableInOption for NonZeroI8 {}
unsafe impl ZeroableInOption for NonZeroI16 {}
unsafe impl ZeroableInOption for NonZeroI32 {}
unsafe impl ZeroableInOption for NonZeroI64 {}
unsafe impl ZeroableInOption for NonZeroI128 {}
unsafe impl ZeroableInOption for NonZeroIsize {}
unsafe impl ZeroableInOption for NonZeroU8 {}
unsafe impl ZeroableInOption for NonZeroU16 {}
unsafe impl ZeroableInOption for NonZeroU32 {}
unsafe impl ZeroableInOption for NonZeroU64 {}
unsafe impl ZeroableInOption for NonZeroU128 {}
unsafe impl ZeroableInOption for NonZeroUsize {}
unsafe impl<T> ZeroableInOption for NonNull<T> {}