Provides a derive macro for bytemuck::Zeroable.

Derive Documentation

Here is the documentation for the Zeroable derive macro

Examples

Structs

Here are more struct examples

use zeroable::Zeroable;

#[derive(Debug,PartialEq,Zeroable)]
struct Point3D<T>{
    x:T,
    y:T,
    z:T,
}

assert_eq!( Point3D::zeroed() , Point3D{ x:0, y:0, z:0 } );

Enums

There are some restrictions for enums,documented in the Zeroable macro docs .

Here are more enum examples

use zeroable::Zeroable;

#[derive(Debug,PartialEq,Zeroable)]
#[repr(u8)]
enum Ternary{
    Undefined,
    False,
    True,
}

assert_eq!( Ternary::zeroed() , Ternary::Undefined );

Unions

There are some restrictions for unions,documented in the Zeroable macro docs .

Here are more union examples

use zeroable::Zeroable;

#[derive(Zeroable)]
union Signedness{
    signed:i8,
    unsigned:u8,
}

unsafe{
    assert_eq!( Signedness::zeroed().signed , 0_i8 );
    assert_eq!( Signedness::zeroed().unsigned , 0_u8 );
}

Features

• "print_type": Slightly improved debugging, shows the type of T in AssertZeroable<T>'s ' Debug implementation

• "nightly_docs": Makes the documentation examples that require Rust nightly run in doctests, and shows them as tested in the documentation.

#[no_std] support

This crate is #[no_std],and only requires the core library.

Changelog

The changelog is in the "Changelog.md" file.

Minimum Rust version

This crate support Rust back to 1.34.

lib.rs:

An implementation detail of zeroable.