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FailableDoubleFunction

@FunctionalInterface public abstract interface org.apache.commons.lang3.function.FailableDoubleFunction<R, E extends Throwable>[source]

A functional interface like DoubleFunction that declares a Throwable.

Parameters:

  • <R> – Return type.

  • <E> – The kind of thrown exception or error.

Since:

3.11

Fields and constants

NOP

NOP singleton
@SuppressWarnings({"rawtypes"}) public static final FailableDoubleFunction NOP[source]

NOP singleton

Methods

apply(double)

Applies this function.

nop()

Gets the NOP singleton.
public abstract R apply(double input) throws E[source]

Applies this function.

Parameters:

input – The input for the function

Returns:

The result of the function

Throws:

E – Thrown when the function fails.

@SuppressWarnings({"unchecked"}) public static <R, E extends Throwable> FailableDoubleFunction<R, E> nop()[source]

Gets the NOP singleton.

Type parameters:

  • <R> – Return type.

  • <E> – The kind of thrown exception or error.

Returns:

The NOP singleton.