compact1, compact2, compact3

java.util.function

Interface DoubleFunction<T>

Type Parameters:

T - the type of input objects to the function

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 DoubleFunction<T>

Apply a function to the input object yielding an appropriate double value; this is the double-bearing specialization for Function.

Since:

1.8

Method Summary

Modifier and Type	Method and Description
double	applyAsDouble(T t) Apply a function to the input object yielding an appropriate double value.

Method Detail

applyAsDouble

double applyAsDouble(T t)

Apply a function to the input object yielding an appropriate double value.

Parameters:

t - the input object

Returns:

the function result value