Package org.apache.commons.io.function

Interface IOUnaryOperator<T>

Type Parameters:

T - the type of the operand and result of the operator.

All Superinterfaces:

IOFunction<T,T>

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 IOUnaryOperator<T>
extends IOFunction<T,T>

Like UnaryOperator but throws IOException.

Since:

2.12.0

See Also:

• UnaryOperator
• IOFunction

Method Summary

Modifier and Type	Method	Description
default UnaryOperator<T>	asUnaryOperator()	Creates a UnaryOperator for this instance that throws UncheckedIOException instead of IOException.
static <T> IOUnaryOperator<T>	identity()	Creates a unary operator that always returns its input argument.

Methods inherited from interface org.apache.commons.io.function.IOFunction

andThen, andThen, andThen, andThen, apply, asFunction, compose, compose, compose, compose

Method Details

identity

static <T> IOUnaryOperator<T> identity()

Creates a unary operator that always returns its input argument.

Type Parameters:

T - the type of the input and output of the operator.

Returns:

a unary operator that always returns its input argument.

asUnaryOperator

default UnaryOperator<T> asUnaryOperator()

Creates a UnaryOperator for this instance that throws UncheckedIOException instead of IOException.

Returns:

an unchecked BiFunction.