Trait num::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.

Implementors

• impl CheckedAdd for u64
• impl CheckedAdd for u16
• impl CheckedAdd for u8
• impl CheckedAdd for i64
• impl CheckedAdd for i32
• impl CheckedAdd for isize
• impl CheckedAdd for i16
• impl CheckedAdd for u32
• impl CheckedAdd for i8
• impl CheckedAdd for usize