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checked_add

use_math::prelude

Function checked_add 

Source 
pub fn checked_add<T>(left: T, right: T) -> Option<T>
where
    T: CheckedArithmetic,
Expand description

Commonly used facade items. Returns left + right, or None on overflow.

Examples found in repository?
examples/facade_arithmetic.rs (line 4)
3fn main() {
4    assert_eq!(checked_add(u8::MAX, 1), None);
5    assert_eq!(div_floor(-7, 3), -3);
6    assert_eq!(mod_floor(-7, 3), 2);
7    assert_eq!(saturating_add(u8::MAX, 1), u8::MAX);
8    assert_eq!(wrapping_mul(200_u8, 2), 144);
9    assert_eq!(use_math::arithmetic::gcd(54, 24), 6);
10    assert_eq!(use_math::arithmetic::lcm(6, 15), 30);
11    assert!(use_math::arithmetic::is_even(12));
12}