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

Modifier and Type	Method and Description
static <T> List<T>	concat(Collection<T>... elems)
static <T> List<T>	filter(Iterable<T> collection, Predicate<T> condition)
static <T> List<T>	filter(T[] array, Predicate<T> condition)
static <T> Option<T>	find(Iterable<T> collection, Predicate<T> condition)
static <K,T extends Collection<K>> List<K>	flatten(Collection<T> elem)
static <T,Z> Z	foldL(Iterable<T> collection, Z initialValue, Function<Tuple2<Z,T>,Z> foldFunction)
static <T,U> List<U>	map(Iterable<T> collection, Function<T,U> transformation)
static <T,U> List<U>	map(T[] array, Function<T,U> transformation)
static <T> String	mkString(Iterable<T> collection)
static <T> String	mkString(Iterable<T> collection, String separator)
static <T> String	mkString(Iterable<T> collection, String start, String end, String separator)
static <T> List<T>	Nil()
static <T> List<T>	of(T... elements)
static <T> List<T>	take(Iterable<T> input, int size)
static <T> List<T>	takeWhile(Iterable<T> input, Predicate<T> predicate) Takes elements from the list as long as the predicate is met and stops after that.

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()

of

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

map

public static <T,U> List<U> map(Iterable<T> collection,
                                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(Iterable<T> collection,
                                 Predicate<T> condition)

filter

public static <T> List<T> filter(T[] array,
                                 Predicate<T> condition)

foldL

public static <T,Z> Z foldL(Iterable<T> collection,
                            Z initialValue,
                            Function<Tuple2<Z,T>,Z> foldFunction)

find

public static <T> Option<T> find(Iterable<T> collection,
                                 Predicate<T> condition)

flatten

public static <K,T extends Collection<K>> List<K> flatten(Collection<T> elem)

concat

public static <T> List<T> concat(Collection<T>... elems)

mkString

public static <T> String mkString(Iterable<T> collection)

mkString

public static <T> String mkString(Iterable<T> collection,
                                  String separator)

mkString

public static <T> String mkString(Iterable<T> collection,
                                  String start,
                                  String end,
                                  String separator)

take

public static <T> List<T> take(Iterable<T> input,
                               int size)

takeWhile

public static <T> List<T> takeWhile(Iterable<T> input,
                                    Predicate<T> predicate)

Takes elements from the list as long as the predicate is met and stops after that.