FailableToLongFunction (Apache Commons Lang 3.12.0 API)

Type Parameters:

T - the type of the first argument to the function

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 FailableToLongFunction<T,E extends java.lang.Throwable>
```
A functional interface like ToLongFunction that declares a Throwable.

Since:

3.11

Field Summary

Fields
Modifier and Type Field Description

static FailableToLongFunction NOP
NOP singleton

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`applyAsLong(T t)`	Applies this function to the given arguments.
`static <T,E extends java.lang.Throwable> FailableToLongFunction<T,E>`	`nop()`	Returns The NOP singleton.

- Field Detail
  - NOP
```
static final FailableToLongFunction NOP
```
    NOP singleton
- Method Detail
  - nop
```
static <T,E extends java.lang.Throwable> FailableToLongFunction<T,E> nop()
```
    Returns The NOP singleton.
    
    Type Parameters:
    
    T - the type of the argument to the function
    
    E - Thrown exception.
    
    Returns:
    
    The NOP singleton.
  - applyAsLong
```
long applyAsLong(T t)
          throws E extends java.lang.Throwable
```
    Applies this function to the given arguments.
    
    Parameters:
    
    t - the first function argument
    
    Returns:
    
    the function result
    
    Throws:
    
    E - Thrown when the function fails.
    
    E extends java.lang.Throwable