Package zone.lamprey.function

Interface DoubleToLongFunction

All Superinterfaces:

DoubleFunction<Long>, DoubleFunction<Long>, DoubleToLongFunction, Function<Double,Long>, Function<Double,Long>, ToLongFunction<Double>, ToLongFunction<Double>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface DoubleToLongFunction
extends DoubleFunction<Long>, ToLongFunction<Double>, DoubleToLongFunction

Represents a function that accepts a double-valued argument and produces a long-valued result. This is the double-to-long primitive specialization for Function.

This is a functional interface whose functional method is applyAsLong(double).

Since:

1.8

See Also:

Function

Field Summary

Fields

Modifier and Type	Field	Description
static DoubleToLongFunction	CAST	Cast a double to a long.
static DoubleToLongFunction	ROUND	Functional interface to Math.round(double)

Fields inherited from interface zone.lamprey.function.DoubleFunction

TO_STRING

Fields inherited from interface zone.lamprey.function.Function

TO_STRING

Method Summary

Modifier and Type	Method	Description
default Long	apply(double value)	Applies this function to the given argument.
default Long	apply(Double t)	Applies this function to the given argument.
long	applyAsLong(double value)	Applies this function to the given argument.
default long	applyAsLong(Double value)	Applies this function to the given argument.

Methods inherited from interface zone.lamprey.function.DoubleFunction

applyPartial, consume, map, mapToDouble, mapToInt, mapToLong, mapToPredicate

Methods inherited from interface java.util.function.Function

andThen, compose

Methods inherited from interface zone.lamprey.function.ToLongFunction

applyPartial, consume, map, mapToDouble, mapToInt, mapToObj, mapToPredicate

Field Details

CAST

static final DoubleToLongFunction CAST

Cast a double to a long. Fractional values will be truncated.

ROUND

static final DoubleToLongFunction ROUND

Functional interface to Math.round(double)

Method Details

applyAsLong

long applyAsLong(double value)

Applies this function to the given argument.

Specified by:

applyAsLong in interface DoubleToLongFunction

Parameters:

value - the function argument

Returns:

the function result

applyAsLong

default long applyAsLong(Double value)

Applies this function to the given argument.

Specified by:

applyAsLong in interface ToLongFunction<Double>

Specified by:

applyAsLong in interface ToLongFunction<Double>

Parameters:

value - the function argument

Returns:

the function result

apply

default Long apply(double value)

Applies this function to the given argument.

Specified by:

apply in interface DoubleFunction<Long>

Specified by:

apply in interface DoubleFunction<Long>

Parameters:

value - the function argument

Returns:

the function result

apply

default Long apply(Double t)

Applies this function to the given argument.

Specified by:

apply in interface DoubleFunction<Long>

Specified by:

apply in interface Function<Double,Long>

Specified by:

apply in interface Function<Double,Long>

Specified by:

apply in interface ToLongFunction<Double>

Parameters:

t - the function argument

Returns:

the function result