IsEmpty (Commons Functor 1.0-SNAPSHOT API)

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java.lang.Object
- org.apache.commons.functor.core.collection.IsEmpty<A>

Type Parameters:
A - the predicate argument type.

All Implemented Interfaces:

Serializable, Functor, UnaryFunctor<A>, UnaryPredicate<A>
```
public final class IsEmpty<A>
extends Object
implements UnaryPredicate<A>, Serializable
```
Version:

$Revision: 1345136 $ $Date: 2012-06-01 08:47:06 -0400 (Fri, 01 Jun 2012) $

See Also:
Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

static IsEmpty<Object> INSTANCE
Basic IsEmpty instance.

Constructor Summary

Constructors
Constructor and Description

IsEmpty()
Create a new IsEmpty.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object that)`
`int`	`hashCode()`
`static <A> IsEmpty<A>`	`instance()` Get an IsEmpty instance.
`boolean`	`test(A obj)` Evaluate this predicate.
`String`	`toString()`

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

- Field Detail
  - INSTANCE
```
public static final IsEmpty<Object> INSTANCE
```
    Basic IsEmpty instance.
- Constructor Detail
  - IsEmpty
```
public IsEmpty()
```
    Create a new IsEmpty.
- Method Detail
  - test
```
public boolean test(A obj)
```
    Evaluate this predicate.
    
    Specified by:
    
    test in interface UnaryPredicate<A>
    
    Parameters:
    obj - the A object to test
    
    Returns:
    the result of this test
  - equals
```
public boolean equals(Object that)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - instance
```
public static <A> IsEmpty<A> instance()
```
    Get an IsEmpty instance.
    
    Type Parameters:
    A - the predicate argument type.
    
    Returns:
    IsEmpty

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