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

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

Defines an additive identity element for Self.


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

Required methods

fn zero() -> Self

Returns the additive identity element of Self, 0.


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.

fn is_zero(&self) -> bool

Returns true if self is equal to the additive identity.

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Provided methods

fn set_zero(&mut self)

Sets self to the additive identity element of Self, 0.

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Implementations on Foreign Types

impl Zero for usize[src]

impl Zero for u8[src]

impl Zero for u16[src]

impl Zero for u32[src]

impl Zero for u64[src]

impl Zero for u128[src]

impl Zero for isize[src]

impl Zero for i8[src]

impl Zero for i16[src]

impl Zero for i32[src]

impl Zero for i64[src]

impl Zero for i128[src]

impl Zero for f32[src]

impl Zero for f64[src]

impl<T: Zero> Zero for Wrapping<T> where
    Wrapping<T>: Add<Output = Wrapping<T>>, 

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