FailableDoubleFunction (Eagler Reborn API)

Type Parameters:

R - Return type.

E - Thrown exception.

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 FailableDoubleFunction<R,E extends java.lang.Throwable>
```
A functional interface like DoubleFunction that declares a Throwable.

Since:

3.11

Field Summary

Fields
Modifier and Type Field Description

static FailableDoubleFunction NOP
NOP singleton

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`R`	`apply(double input)`	Applies this function.
`static <R,E extends java.lang.Throwable> FailableDoubleFunction<R,E>`	`nop()`	Returns The NOP singleton.

- Field Detail
  - NOP
```
static final FailableDoubleFunction NOP
```
    NOP singleton
- Method Detail
  - nop
```
static <R,E extends java.lang.Throwable> FailableDoubleFunction<R,E> nop()
```
    Returns The NOP singleton.
    
    Type Parameters:
    
    R - Return type.
    
    E - Thrown exception.
    
    Returns:
    
    The NOP singleton.
  - apply
```
R apply(double input)
 throws E extends java.lang.Throwable
```
    Applies this function.
    
    Parameters:
    
    input - the input for the function
    
    Returns:
    
    the result of the function
    
    Throws:
    
    E - Thrown when the function fails.
    
    E extends java.lang.Throwable