Trait num_traits::identities::Zero
source · [−]pub trait Zero: Sized + Add<Self, Output = Self> {
fn zero() -> Self;
fn is_zero(&self) -> bool;
fn set_zero(&mut self) { ... }
}
Expand description
Required methods
Returns the additive identity element of Self
, 0
.
Purity
This function should return the same result at all times regardless of
external mutable state, for example values stored in TLS or in
static mut
s.