org.clafer.collection

Class Triple<A,B,C>

java.lang.Object

org.clafer.collection.Triple<A,B,C>

Type Parameters:

A - the type of fst

B - the type of snd

C - the type of thd

public class Triple<A,B,C>
extends Object

A 3-tuple.

Author:

jimmy

Constructor Summary

Constructors

Constructor and Description
Triple(A fst, B snd, C thd)
Triple(A fst, Pair<? extends B,? extends C> pair)
Triple(Pair<? extends A,? extends B> pair, C thd)
Triple(Triple<? extends A,? extends B,? extends C> triple)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
A	getFst()
Pair<A,B>	getFstSnd()
B	getSnd()
Pair<B,C>	getSndThd()
C	getThd()
int	hashCode()
static <A,B,C> List<A>	mapFst(List<Triple<A,B,C>> triples) Returns the first element of the tuples in the same order.
static <A,B,C> A[]	mapFst(Triple<A,B,C>[] triples, A... array) Returns the first element of the tuples in the same order.
static <A,B,C> List<B>	mapSnd(List<Triple<A,B,C>> triples) Returns the second element of the tuples in the same order.
static <A,B,C> B[]	mapSnd(Triple<A,B,C>[] triples, B... array) Returns the second element of the tuples in the same order.
static <A,B,C> List<C>	mapThd(List<Triple<A,B,C>> triples) Returns the third element of the tuples in the same order.
static <A,B,C> C[]	mapThd(Triple<A,B,C>[] triples, C... array) Returns the third element of the tuples in the same order.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Triple

public Triple(A fst,
      B snd,
      C thd)

Triple

public Triple(Pair<? extends A,? extends B> pair,
      C thd)

Triple

public Triple(A fst,
      Pair<? extends B,? extends C> pair)

Triple

public Triple(Triple<? extends A,? extends B,? extends C> triple)

Method Detail

getFst

public A getFst()

getSnd

public B getSnd()

getThd

public C getThd()

getFstSnd

public Pair<A,B> getFstSnd()

getSndThd

public Pair<B,C> getSndThd()

mapFst

public static <A,B,C> List<A> mapFst(List<Triple<A,B,C>> triples)

Returns the first element of the tuples in the same order. Equivalent to the Haskell code map fst.

Type Parameters:

A - the type of first element in the pairs

B - the type of second element in the pairs

C - the type of third element in the pairs

Parameters:

triples - the tuples

Returns:

the first element of the tuples

mapFst

@SafeVarargs
public static <A,B,C> A[] mapFst(Triple<A,B,C>[] triples,
                             A... array)

Returns the first element of the tuples in the same order. Equivalent to the Haskell code map fst.

Type Parameters:

A - the type of first element in the pairs

B - the type of second element in the pairs

C - the type of third element in the pairs

Parameters:

triples - the tuples

array - the array to write to if the size is correct

Returns:

the first element of the tuples

mapSnd

public static <A,B,C> List<B> mapSnd(List<Triple<A,B,C>> triples)

Returns the second element of the tuples in the same order. Equivalent to the Haskell code map snd.

Type Parameters:

A - the type of first element in the pairs

B - the type of second element in the pairs

C - the type of third element in the pairs

Parameters:

triples - the tuples

Returns:

the second element of the tuples

mapSnd

@SafeVarargs
public static <A,B,C> B[] mapSnd(Triple<A,B,C>[] triples,
                             B... array)

Returns the second element of the tuples in the same order. Equivalent to the Haskell code map snd.

Type Parameters:

A - the type of first element in the pairs

B - the type of second element in the pairs

C - the type of third element in the pairs

Parameters:

triples - the tuples

array - the array to write to if the size is correct

Returns:

the second element of the tuples

mapThd

public static <A,B,C> List<C> mapThd(List<Triple<A,B,C>> triples)

Returns the third element of the tuples in the same order. Equivalent to the Haskell code map thd.

Type Parameters:

A - the type of first element in the pairs

B - the type of second element in the pairs

C - the type of third element in the pairs

Parameters:

triples - the tuples

Returns:

the third element of the tuples

mapThd

@SafeVarargs
public static <A,B,C> C[] mapThd(Triple<A,B,C>[] triples,
                             C... array)

Returns the third element of the tuples in the same order. Equivalent to the Haskell code map thd.

Type Parameters:

A - the type of first element in the pairs

B - the type of second element in the pairs

C - the type of third element in the pairs

Parameters:

triples - the tuples

array - the array to write to if the size is correct

Returns:

the third element of the tuples

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object