Trait snarkvm_circuit::Zero

pub trait Zero {
    type Boolean: BooleanTrait;

    fn zero() -> Self
    where
        Self: Sized;
    fn is_zero(&self) -> Self::Boolean;
}

Representation of the zero value.

Required Associated Types

type Boolean: BooleanTrait

Required Methods

fn zero() -> Selfwhere
    Self: Sized,

Returns a new zero constant.

fn is_zero(&self) -> Self::Boolean

Returns true if self is zero.

Trait Implementations

impl<E> Metrics<dyn Zero<Boolean = Boolean<E>> + 'static> for Field<E>where
    E: Environment,

type Case = ()

fn count(
    _parameter: &<Field<E> as Metrics<dyn Zero<Boolean = Boolean<E>> + 'static>>::Case
) -> Count

Returns the number of constants, public inputs, private inputs, and constraints.

impl<E, I> Metrics<dyn Zero<Boolean = Boolean<E>> + 'static> for Integer<E, I>where
    E: Environment,
    I: IntegerType,

type Case = ()

fn count(
    _case: &<Integer<E, I> as Metrics<dyn Zero<Boolean = Boolean<E>> + 'static>>::Case
) -> Count

Returns the number of constants, public inputs, private inputs, and constraints.

impl<E> OutputMode<dyn Zero<Boolean = Boolean<E>> + 'static> for Field<E>where
    E: Environment,

type Case = ()

fn output_mode(
    _input: &<Field<E> as OutputMode<dyn Zero<Boolean = Boolean<E>> + 'static>>::Case
) -> Mode

Returns the mode of the output.

impl<E, I> OutputMode<dyn Zero<Boolean = Boolean<E>> + 'static> for Integer<E, I>where
    E: Environment,
    I: IntegerType,

type Case = ()

fn output_mode(
    _case: &<Integer<E, I> as OutputMode<dyn Zero<Boolean = Boolean<E>> + 'static>>::Case
) -> Mode

Returns the mode of the output.

Implementors

impl<E> Zero for Field<E>where
    E: Environment,

type Boolean = Boolean<E>

impl<E> Zero for Group<E>where
    E: Environment,

type Boolean = Boolean<E>

impl<E> Zero for Scalar<E>where
    E: Environment,

type Boolean = Boolean<E>

impl<E, I> Zero for Integer<E, I>where
    E: Environment,
    I: IntegerType,

type Boolean = Boolean<E>