CheckedAdd

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

use core::num::traits::CheckedAdd;

let result = 1_u8.checked_add(2);
assert!(result == Option::Some(3));

let result = 255_u8.checked_add(1);
assert!(result == Option::None); // Overflow

Fully qualified path: core::num::traits::ops::checked::CheckedAdd

pub trait CheckedAdd<T>

Trait functions

checked_add

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

Fully qualified path: core::num::traits::ops::checked::CheckedAdd::checked_add

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