Trait num::traits::CheckedAdd
[−]
[src]
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.