sp_runtime::traits

Trait CheckedAdd

source
pub trait CheckedAdd: Sized + Add<Output = Self> {
    // Required method
    fn checked_add(&self, v: &Self) -> Option<Self>;
}
Expand description

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

Required Methods§

source

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

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

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

source§

impl CheckedAdd for i8

source§

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

source§

impl CheckedAdd for i16

source§

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

source§

impl CheckedAdd for i32

source§

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

source§

impl CheckedAdd for i64

source§

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

source§

impl CheckedAdd for i128

source§

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

source§

impl CheckedAdd for isize

source§

impl CheckedAdd for u8

source§

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

source§

impl CheckedAdd for u16

source§

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

source§

impl CheckedAdd for u32

source§

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

source§

impl CheckedAdd for u64

source§

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

source§

impl CheckedAdd for u128

source§

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

source§

impl CheckedAdd for usize

source§

impl CheckedAdd for Weight

Implementors§