de.caff.generics.function

Interface LongOperator1

All Superinterfaces:

java.util.function.LongUnaryOperator

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 LongOperator1
extends java.util.function.LongUnaryOperator

Unary operator with a long argument and result.

Since:

October 31, 2019

Author:

Rammi

Field Summary

Fields

Modifier and Type	Field and Description
static LongOperator1	BIT_FLIP Byte operator BIT FLIP (~).
static LongOperator1	NEGATE Long operator NEGATE.

Method Summary

Modifier and Type	Method and Description
default LongOperator1	andThen(LongOperator1 after) Create a function which applies this function and feeds the result into the next function.
static LongOperator1	from(java.util.function.LongUnaryOperator operator) Make a standard unary long operator usable as LongOperator1.
default LongOperator0	partial(long argument) Create a zero argument function from this one by applying a constant argument.

Methods inherited from interface java.util.function.LongUnaryOperator

andThen, applyAsLong, compose, identity

Field Detail

NEGATE

static final LongOperator1 NEGATE

Long operator NEGATE. Beware: as with usual NEGATE not only 0 also Long.MIN_VALUE is its own negative.

BIT_FLIP

static final LongOperator1 BIT_FLIP

Byte operator BIT FLIP (~).

Method Detail

partial

@NotNull
default LongOperator0 partial(long argument)

Create a zero argument function from this one by applying a constant argument. Although useless for pure functions it can be useful in cases where the zero argument function is a factory (and therefore not pure).

Parameters:

argument - constant argument

Returns:

zero argument function

andThen

@NotNull
default LongOperator1 andThen(@NotNull
                                       LongOperator1 after)

Create a function which applies this function and feeds the result into the next function.

Parameters:

after - function called with the result of this function

Returns:

chained function

from

@NotNull
static LongOperator1 from(@NotNull
                                   java.util.function.LongUnaryOperator operator)

Make a standard unary long operator usable as LongOperator1. This is useful if you want to make use of the extended functionality of this implementation.

Parameters:

operator - operator to be used as a LongOperator1

Returns:

LongOperator1 view of the incoming operator, or possibly just a cast if operator already has the correct type