Trait num_traits::identities::Zero [−] [src]

pub trait Zero: Sized + Add<Self, Output = Self> {
    fn zero() -> Self;
    fn is_zero(&self) -> bool;
}

Defines an additive identity element for Self.

Required Methods

Returns the additive identity element of Self, 0.

Laws

a + 0 = a       ∀ a ∈ Self
0 + a = a       ∀ a ∈ Self

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 muts.

Returns true if self is equal to the additive identity.

Implementors