Trait CheckedSub 

pub trait CheckedSub<RHS = Self> {
    type Output;

    // Required method
    fn checked_sub(self, other: RHS) -> Option<Self::Output>;
}

Subtracts two numbers, returning None if the result is not representable.

Required Associated Types

type Output

Required Methods

fn checked_sub(self, other: RHS) -> Option<Self::Output>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl CheckedSub for i8

fn checked_sub(self, other: i8) -> Option<i8>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = i8

impl CheckedSub for i16

fn checked_sub(self, other: i16) -> Option<i16>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = i16

impl CheckedSub for i32

fn checked_sub(self, other: i32) -> Option<i32>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = i32

impl CheckedSub for i64

fn checked_sub(self, other: i64) -> Option<i64>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = i64

impl CheckedSub for i128

fn checked_sub(self, other: i128) -> Option<i128>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = i128

impl CheckedSub for isize

fn checked_sub(self, other: isize) -> Option<isize>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = isize

impl CheckedSub for u8

fn checked_sub(self, other: u8) -> Option<u8>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = u8

impl CheckedSub for u16

fn checked_sub(self, other: u16) -> Option<u16>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = u16

impl CheckedSub for u32

fn checked_sub(self, other: u32) -> Option<u32>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = u32

impl CheckedSub for u64

fn checked_sub(self, other: u64) -> Option<u64>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = u64

impl CheckedSub for u128

fn checked_sub(self, other: u128) -> Option<u128>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = u128

impl CheckedSub for usize

fn checked_sub(self, other: usize) -> Option<usize>

This is a wrapper over the checked_sub functions in the standard library, for example this one.

type Output = usize

Implementors