Trait num_traits::CheckedAdd

pub trait CheckedAdd: Add<Self, Output = Self> {
    fn checked_add(&self, v: &Self) -> Option<Self>;
}

Performs addition that returns None instead of wrapping around on overflow.

Required methods

fn checked_add(&self, v: &Self) -> Option<Self>

Adds two numbers, checking for overflow. If overflow happens, None is returned.

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Implementations on Foreign Types

impl CheckedAdd for i64

fn checked_add(&self, v: &i64) -> Option<i64>

impl CheckedAdd for i8

fn checked_add(&self, v: &i8) -> Option<i8>

impl CheckedAdd for i128

fn checked_add(&self, v: &i128) -> Option<i128>

impl CheckedAdd for i32

fn checked_add(&self, v: &i32) -> Option<i32>

impl CheckedAdd for usize

fn checked_add(&self, v: &usize) -> Option<usize>

impl CheckedAdd for u8

fn checked_add(&self, v: &u8) -> Option<u8>

impl CheckedAdd for i16

fn checked_add(&self, v: &i16) -> Option<i16>

impl CheckedAdd for isize

fn checked_add(&self, v: &isize) -> Option<isize>

impl CheckedAdd for u64

fn checked_add(&self, v: &u64) -> Option<u64>

impl CheckedAdd for u16

fn checked_add(&self, v: &u16) -> Option<u16>

impl CheckedAdd for u32

fn checked_add(&self, v: &u32) -> Option<u32>

impl CheckedAdd for u128

fn checked_add(&self, v: &u128) -> Option<u128>

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Implementors

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