Type Parameters:

E - The kind of thrown exception or error.
```
public interface FailableDoubleUnaryOperator<E extends java.lang.Throwable>
```
A functional interface like DoubleUnaryOperator that declares a Throwable.

Since:

3.11

Field Summary

Fields
Modifier and Type Field Description

static FailableDoubleUnaryOperator NOP
NOP singleton

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default FailableDoubleUnaryOperator<E>`	`andThen(FailableDoubleUnaryOperator<E> after)`	Returns a composed `FailableDoubleUnaryOperator` like `DoubleUnaryOperator.andThen(DoubleUnaryOperator)`.
`double`	`applyAsDouble(double operand)`	Applies this operator to the given operand.
`default FailableDoubleUnaryOperator<E>`	`compose(FailableDoubleUnaryOperator<E> before)`	Returns a composed `FailableDoubleUnaryOperator` like `DoubleUnaryOperator.compose(DoubleUnaryOperator)`.
`static <E extends java.lang.Throwable> FailableDoubleUnaryOperator<E>`	`identity()`	Returns a unary operator that always returns its input argument.
`static <E extends java.lang.Throwable> FailableDoubleUnaryOperator<E>`	`nop()`	Returns The NOP singleton.

- Field Detail
  - NOP
```
static final FailableDoubleUnaryOperator NOP
```
    NOP singleton
- Method Detail
  - identity
```
static <E extends java.lang.Throwable> FailableDoubleUnaryOperator<E> identity()
```
    Returns a unary operator that always returns its input argument.
    
    Type Parameters:
    
    E - The kind of thrown exception or error.
    
    Returns:
    
    a unary operator that always returns its input argument
  - nop
```
static <E extends java.lang.Throwable> FailableDoubleUnaryOperator<E> nop()
```
    Returns The NOP singleton.
    
    Type Parameters:
    
    E - The kind of thrown exception or error.
    
    Returns:
    
    The NOP singleton.
  - andThen
```
default FailableDoubleUnaryOperator<E> andThen(FailableDoubleUnaryOperator<E> after)
```
    Returns a composed FailableDoubleUnaryOperator like DoubleUnaryOperator.andThen(DoubleUnaryOperator).
    
    Parameters:
    
    after - the operator to apply after this one.
    
    Returns:
    
    a composed FailableDoubleUnaryOperator like DoubleUnaryOperator.andThen(DoubleUnaryOperator).
    
    Throws:
    
    java.lang.NullPointerException - if after is null.
    
    See Also:
    
    compose(FailableDoubleUnaryOperator)
  - applyAsDouble
```
double applyAsDouble(double operand)
              throws E extends java.lang.Throwable
```
    Applies this operator to the given operand.
    
    Parameters:
    
    operand - the operand
    
    Returns:
    
    the operator result
    
    Throws:
    
    E - Thrown when a consumer fails.
    
    E extends java.lang.Throwable
  - compose
```
default FailableDoubleUnaryOperator<E> compose(FailableDoubleUnaryOperator<E> before)
```
    Returns a composed FailableDoubleUnaryOperator like DoubleUnaryOperator.compose(DoubleUnaryOperator).
    
    Parameters:
    
    before - the operator to apply before this one.
    
    Returns:
    
    a composed FailableDoubleUnaryOperator like DoubleUnaryOperator.compose(DoubleUnaryOperator).
    
    Throws:
    
    java.lang.NullPointerException - if before is null.
    
    See Also:
    
    andThen(FailableDoubleUnaryOperator)

Interface FailableDoubleUnaryOperator<E extends java.lang.Throwable>

Field Summary

Method Summary

Field Detail

NOP

Method Detail

identity

nop

andThen

applyAsDouble

compose