Trait num_traits::identities::Zero

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

    fn set_zero(&mut self) { ... }
}

Expand description

Defines an additive identity element for Self.

Laws

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

Required Methods§

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fn zero() -> Self

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 muts.

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fn is_zero(&self) -> bool

Returns true if self is equal to the additive identity.

Provided Methods§

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fn set_zero(&mut self)

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

Implementations on Foreign Types§

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Trait num_traits::identities::Zero

Required Methods§

fn zero() -> Self

fn is_zero(&self) -> bool

Provided Methods§

fn set_zero(&mut self)

Implementations on Foreign Types§

impl Zero for usize

fn zero() -> usize

fn is_zero(&self) -> bool

impl Zero for u8

fn zero() -> u8

fn is_zero(&self) -> bool

impl Zero for u16

fn zero() -> u16

fn is_zero(&self) -> bool

impl Zero for u32

fn zero() -> u32

fn is_zero(&self) -> bool

impl Zero for u64

fn zero() -> u64

fn is_zero(&self) -> bool

impl Zero for u128

fn zero() -> u128

fn is_zero(&self) -> bool

impl Zero for isize

fn zero() -> isize

fn is_zero(&self) -> bool

impl Zero for i8

fn zero() -> i8

fn is_zero(&self) -> bool

impl Zero for i16

fn zero() -> i16

fn is_zero(&self) -> bool

impl Zero for i32

fn zero() -> i32

fn is_zero(&self) -> bool

impl Zero for i64

fn zero() -> i64

fn is_zero(&self) -> bool

impl Zero for i128

fn zero() -> i128

fn is_zero(&self) -> bool

impl Zero for f32

fn zero() -> f32

fn is_zero(&self) -> bool

impl Zero for f64

fn zero() -> f64

fn is_zero(&self) -> bool

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

fn is_zero(&self) -> bool

fn set_zero(&mut self)

fn zero() -> Self

Implementors§

impl<Frac> Zero for FixedI8<Frac>

impl<Frac> Zero for FixedI16<Frac>

impl<Frac> Zero for FixedI32<Frac>

impl<Frac> Zero for FixedI64<Frac>

impl<Frac> Zero for FixedI128<Frac>

impl<Frac> Zero for FixedU8<Frac>

impl<Frac> Zero for FixedU16<Frac>

impl<Frac> Zero for FixedU32<Frac>

impl<Frac> Zero for FixedU64<Frac>

impl<Frac> Zero for FixedU128<Frac>

impl Zero for Weight

impl<T, R: DimName, C: DimName> Zero for OMatrix<T, R, C>where T: Scalar + Zero + ClosedAdd, DefaultAllocator: Allocator<T, R, C>,

impl<T: SimdRealField> Zero for Quaternion<T>where T::Element: SimdRealField,

impl<T: SimdRealField> Zero for DualQuaternion<T>where T::Element: SimdRealField,

impl Zero for BigInt

impl Zero for BigUint

impl<T: Clone + Num> Zero for Complex<T>

impl<T: Clone + Integer> Zero for Ratio<T>

impl<T: Float> Zero for OrderedFloat<T>

impl<T: Float> Zero for NotNan<T>

impl Zero for PriceEntry

impl Zero for AutoSimd<[f32; 2]>

impl Zero for AutoSimd<[f32; 4]>

impl Zero for AutoSimd<[f32; 8]>

impl Zero for AutoSimd<[f32; 16]>

impl Zero for AutoSimd<[f64; 2]>

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

impl<T, R: DimName, C: DimName> Zero for OMatrix<T, R, C>where
T: Scalar + Zero + ClosedAdd,
DefaultAllocator: Allocator<T, R, C>,

impl<T: SimdRealField> Zero for Quaternion<T>where
T::Element: SimdRealField,

impl<T: SimdRealField> Zero for DualQuaternion<T>where
T::Element: SimdRealField,