water.udf.fp

Class Functions

java.lang.Object

water.udf.fp.Functions

Direct Known Subclasses:

PureFunctions

public class Functions
extends java.lang.Object

Operations on functions

Constructor Summary

Constructors

Constructor and Description
Functions()

Method Summary

Methods

Modifier and Type	Method and Description
static <X,Y,Z> Function<X,Z>	compose(Function<Y,Z> g, Function<X,Y> f)
static <X,Y> Function<X,Y>	constant(Y y)
static boolean	equal(java.lang.Object x, java.lang.Object y)
static int	hashCode(java.lang.Object x)
static <X> Function<X,X>	identity()
static <X,Y> java.lang.Iterable<Y>	map(java.lang.Iterable<X> xs, Function<X,Y> f)
static <T> Function<java.lang.Long,T>	onList(java.util.List<T> list)
static Unfoldable<java.lang.String,java.lang.String>	splitBy(java.lang.String separator)

Methods inherited from class java.lang.Object

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

Constructor Detail

Functions

public Functions()

Method Detail

compose

public static <X,Y,Z> Function<X,Z> compose(Function<Y,Z> g,
                            Function<X,Y> f)

identity

public static <X> Function<X,X> identity()

onList

public static <T> Function<java.lang.Long,T> onList(java.util.List<T> list)

map

public static <X,Y> java.lang.Iterable<Y> map(java.lang.Iterable<X> xs,
                              Function<X,Y> f)

constant

public static <X,Y> Function<X,Y> constant(Y y)

splitBy

public static Unfoldable<java.lang.String,java.lang.String> splitBy(java.lang.String separator)

hashCode

public static int hashCode(java.lang.Object x)

equal

public static boolean equal(java.lang.Object x,
            java.lang.Object y)