Trait ConstDefault 

pub trait ConstDefault {
    const DEFAULT: Self;
}

A trait for const defaults

Required Associated Constants

const DEFAULT: Self

The default value

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl ConstDefault for i8

const DEFAULT: Self = -128i8

impl ConstDefault for i16

const DEFAULT: Self = -32_768i16

impl ConstDefault for i32

const DEFAULT: Self = -2_147_483_648i32

impl ConstDefault for i64

const DEFAULT: Self = -9_223_372_036_854_775_808i64

impl ConstDefault for i128

const DEFAULT: Self = -170_141_183_460_469_231_731_687_303_715_884_105_728i128

impl ConstDefault for u8

const DEFAULT: Self = 0u8

impl ConstDefault for u16

const DEFAULT: Self = 0u16

impl ConstDefault for u32

const DEFAULT: Self = 0u32

impl ConstDefault for u64

const DEFAULT: Self = 0u64

impl ConstDefault for u128

const DEFAULT: Self = 0u128

impl<T> ConstDefault for Option<T>

const DEFAULT: Self = None

impl<T> ConstDefault for *const T

const DEFAULT: Self

impl<T> ConstDefault for *mut T

const DEFAULT: Self

Implementors