UtilityFunctions

java.lang.Object
- rx.internal.util.UtilityFunctions

```
public final class UtilityFunctions
extends java.lang.Object
```
Utility functions for internal use that we don't want part of the public API.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

(package private) static class UtilityFunctions.AlwaysFalse

(package private) static class UtilityFunctions.AlwaysTrue

Constructor Summary

Constructors
Modifier Constructor Description

private UtilityFunctions()
Utility class.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static <T> Func1<? super T,java.lang.Boolean>`	`alwaysFalse()`	Returns a function that always returns `false`.
`static <T> Func1<? super T,java.lang.Boolean>`	`alwaysTrue()`	Returns a function that always returns `true`.
`static <T> Func1<T,T>`	`identity()`	Returns a function that always returns the Object it is passed.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - UtilityFunctions
```
private UtilityFunctions()
```
    Utility class.
- Method Detail
  - alwaysTrue
```
public static <T> Func1<? super T,java.lang.Boolean> alwaysTrue()
```
    Returns a function that always returns true.
    
    Type Parameters:
    
    T - the value type
    
    Returns:
    
    a Func1 that accepts an Object and returns the Boolean true
  - alwaysFalse
```
public static <T> Func1<? super T,java.lang.Boolean> alwaysFalse()
```
    Returns a function that always returns false.
    
    Type Parameters:
    
    T - the value type
    
    Returns:
    
    a Func1 that accepts an Object and returns the Boolean false
  - identity
```
public static <T> Func1<T,T> identity()
```
    Returns a function that always returns the Object it is passed.
    
    Type Parameters:
    
    T - the input and output value type
    
    Returns:
    
    a Func1 that accepts an Object and returns the same Object