in.ashwanthkumar.utils.collections

Class Lists

java.lang.Object

in.ashwanthkumar.utils.collections.Lists

public class Lists
extends Object

Constructor Summary

Constructors

Constructor and Description
Lists()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> List<T>	filter(List<T> list, Predicate<T> condition)
static <T> Option<T>	find(List<T> list, Predicate<T> condition)
static <T,Z> Z	foldL(List<T> list, Z initialValue, Function<Tuple2<Z,T>,Z> foldFunction)
static <T> T	head(List<T> list)
static <T> Option<T>	headOption(List<T> list)
static <T> boolean	isEmpty(List<T> list)
static <T,U> List<U>	map(List<T> list, Function<T,U> transformation)
static <T,U> List<U>	map(T[] array, Function<T,U> transformation)
static <T> String	mkString(List<T> list)
static <T> String	mkString(List<T> list, String start, String end, String separator)
static <T> List<T>	Nil()
static <T> boolean	nonEmpty(List<T> list)
static <T> List<T>	of(T... elements)

Methods inherited from class java.lang.Object

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

Constructor Detail

Lists

public Lists()

Method Detail

Nil

public static <T> List<T> Nil()

head

public static <T> T head(List<T> list)

headOption

public static <T> Option<T> headOption(List<T> list)

of

public static <T> List<T> of(T... elements)

map

public static <T,U> List<U> map(List<T> list,
                Function<T,U> transformation)

map

public static <T,U> List<U> map(T[] array,
                Function<T,U> transformation)

filter

public static <T> List<T> filter(List<T> list,
                 Predicate<T> condition)

foldL

public static <T,Z> Z foldL(List<T> list,
            Z initialValue,
            Function<Tuple2<Z,T>,Z> foldFunction)

find

public static <T> Option<T> find(List<T> list,
                 Predicate<T> condition)

isEmpty

public static <T> boolean isEmpty(List<T> list)

nonEmpty

public static <T> boolean nonEmpty(List<T> list)

mkString

public static <T> String mkString(List<T> list)

mkString

public static <T> String mkString(List<T> list,
                  String start,
                  String end,
                  String separator)