com.landawn.abacus.util

Class Fn.BiFunctions

java.lang.Object

com.landawn.abacus.util.Fn.BiFunctions

Enclosing class:

Fn

public static final class Fn.BiFunctions
extends Object

The Class BiFunctions.

Method Summary

Modifier and Type	Method and Description
static <U,T,R> BiFunction<U,T,R>	indexed(IndexedBiFunction<U,T,R> func) Returns a stateful BiPredicate.
static <T,C extends Collection<? super T>> BiFunction<C,T,C>	ofAdd()
static <T,C extends Collection<T>> BiFunction<C,C,C>	ofAddAll() Of add all.
static <T> BiFunction<StringBuilder,T,StringBuilder>	ofAppend()
static BiFunction<Joiner,Joiner,Joiner>	ofMerge()
static <K,V,M extends Map<K,V>,E extends Map.Entry<K,V>> BiFunction<M,E,M>	ofPut()
static <K,V,M extends Map<K,V>> BiFunction<M,M,M>	ofPutAll() Of put all.
static <T,C extends Collection<? super T>> BiFunction<C,T,C>	ofRemove()
static <T,C extends Collection<T>> BiFunction<C,C,C>	ofRemoveAll() Of remove all.
static <K,V,M extends Map<K,V>> BiFunction<M,K,M>	ofRemoveByKey() Of remove by key.
static <T,U> BiFunction<T,U,T>	returnFirst()
static <T,U> BiFunction<T,U,U>	returnSecond()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

returnFirst

public static <T,U> BiFunction<T,U,T> returnFirst()

Type Parameters:

T -

U -

Returns:

returnSecond

public static <T,U> BiFunction<T,U,U> returnSecond()

Type Parameters:

T -

U -

Returns:

ofAdd

public static <T,C extends Collection<? super T>> BiFunction<C,T,C> ofAdd()

Type Parameters:

T -

C -

Returns:

ofAddAll

public static <T,C extends Collection<T>> BiFunction<C,C,C> ofAddAll()

Of add all.

Type Parameters:

T -

C -

Returns:

ofRemove

public static <T,C extends Collection<? super T>> BiFunction<C,T,C> ofRemove()

Type Parameters:

T -

C -

Returns:

ofRemoveAll

public static <T,C extends Collection<T>> BiFunction<C,C,C> ofRemoveAll()

Of remove all.

Type Parameters:

T -

C -

Returns:

ofPut

public static <K,V,M extends Map<K,V>,E extends Map.Entry<K,V>> BiFunction<M,E,M> ofPut()

Type Parameters:

K - the key type

V - the value type

M -

E -

Returns:

ofPutAll

public static <K,V,M extends Map<K,V>> BiFunction<M,M,M> ofPutAll()

Of put all.

Type Parameters:

K - the key type

V - the value type

M -

Returns:

ofRemoveByKey

public static <K,V,M extends Map<K,V>> BiFunction<M,K,M> ofRemoveByKey()

Of remove by key.

Type Parameters:

K - the key type

V - the value type

M -

U -

Returns:

ofMerge

public static BiFunction<Joiner,Joiner,Joiner> ofMerge()

Returns:

ofAppend

public static <T> BiFunction<StringBuilder,T,StringBuilder> ofAppend()

Type Parameters:

T -

Returns:

indexed

@Beta
 @SequentialOnly
 @Stateful
public static <U,T,R> BiFunction<U,T,R> indexed(IndexedBiFunction<U,T,R> func)

Returns a stateful BiPredicate. Don't save or cache for reuse or use it in parallel stream.

Type Parameters:

U -

T -

R -

Parameters:

func -

Returns: