Package com.globalmentor.io.function

Interface IODoubleUnaryOperator

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 IODoubleUnaryOperator

Represents an operation on a single double-valued operand that produces a double-valued result. This is the primitive type specialization of IOUnaryOperator for double.

This interface is similar to DoubleUnaryOperator except that it is allowed to throw an IOException.

Author:

Magno N A Cruz

See Also:

• IOUnaryOperator

Method Summary

Modifier and Type	Method	Description
default IODoubleUnaryOperator	andThen(IODoubleUnaryOperator after)	This method is the same as DoubleUnaryOperator.andThen(DoubleUnaryOperator), but with a support for IOException.
double	applyAsDouble(double operand)	This method is the same as DoubleUnaryOperator.applyAsDouble(double), but with a support for IOException.
default IODoubleUnaryOperator	compose(IODoubleUnaryOperator before)	This method is the same as DoubleUnaryOperator.compose(DoubleUnaryOperator), but with a support for IOException.
static IODoubleUnaryOperator	identity()	This method is the same as DoubleUnaryOperator.identity(), but with a support for IOException.

Method Details

applyAsDouble

double applyAsDouble(double operand)
              throws IOException

This method is the same as DoubleUnaryOperator.applyAsDouble(double), but with a support for IOException.

Parameters:

operand - The operand.

Returns:

The operator result.

Throws:

IOException - if there is an I/O error performing the operation.

compose

default IODoubleUnaryOperator compose(@Nonnull
 IODoubleUnaryOperator before)
                               throws IOException

This method is the same as DoubleUnaryOperator.compose(DoubleUnaryOperator), but with a support for IOException.

Parameters:

before - The operator to apply before this operator is applied.

Returns:

A composed operator that applies the before operator first and then this operator.

Throws:

IOException - if there is an I/O error performing the operation.

See Also:

• andThen(IODoubleUnaryOperator)

andThen

default IODoubleUnaryOperator andThen(@Nonnull
 IODoubleUnaryOperator after)
                               throws IOException

This method is the same as DoubleUnaryOperator.andThen(DoubleUnaryOperator), but with a support for IOException.

Parameters:

after - The operator to apply after this operator is applied.

Returns:

A composed operator that applies this operator first and then the after operator.

Throws:

IOException - if there is an I/O error performing the operation.

See Also:

• compose(IODoubleUnaryOperator)

identity

static IODoubleUnaryOperator identity()
                               throws IOException

This method is the same as DoubleUnaryOperator.identity(), but with a support for IOException.

Returns:

A unary operator that always returns its input argument.

Throws:

IOException - if there is an I/O error performing the operation.