Trait CheckedNeg

pub trait CheckedNeg: Sized {
    type Output;

    // Required method
    fn checked_neg(self) -> Option<Self>;
}

Required Associated Types

type Output

Required Methods

fn checked_neg(self) -> Option<Self>

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 CheckedNeg for i8

type Output = i8

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for i16

type Output = i16

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for i32

type Output = i32

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for i64

type Output = i64

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for i128

type Output = i128

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for isize

type Output = isize

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for u8

type Output = u8

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for u16

type Output = u16

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for u32

type Output = u32

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for u64

type Output = u64

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for u128

type Output = u128

fn checked_neg(self) -> Option<Self::Output>

impl CheckedNeg for usize

type Output = usize

fn checked_neg(self) -> Option<Self::Output>

Implementors