de.tobiasroeser.lambdatest.internal

Class Util

java.lang.Object

de.tobiasroeser.lambdatest.internal.Util

public class Util
extends Object

Some internally used helper methods, mostly copied from de.tototec.utils.functional project.

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static String	decapitalize(String string)
static <T> boolean	exists(Iterable<T> source, F1<? super T,Boolean> exists)
static <T> List<T>	filter(Iterable<T> source, F1<? super T,Boolean> accept)
static <T> List<T>	filterType(Iterable<?> source, Class<T> type)
static <T> Optional<T>	find(Iterable<T> source, F1<? super T,Boolean> accept)
static <T> boolean	forall(Iterable<T> source, F1<? super T,Boolean> forall)
static <R,T> List<R>	map(Iterable<T> source, F1<? super T,? extends R> convert)
static <R,T> List<R>	map(T[] source, F1<? super T,? extends R> convert)
static String	mkString(Iterable<?> source, String separator)
static String	mkString(Iterable<?> source, String prefix, String separator, String suffix)
static <T> String	mkString(Iterable<T> source, String prefix, String separator, String suffix, F1<? super T,String> convert)
static String	mkString(Object[] source, String separator)
static <T> String	mkString(T[] source, String prefix, String separator, String suffix)
static <T> String	mkString(T[] source, String prefix, String separator, String suffix, F1<? super T,String> convert)

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

decapitalize

public static String decapitalize(String string)

exists

public static <T> boolean exists(Iterable<T> source,
                                 F1<? super T,Boolean> exists)

filterType

public static <T> List<T> filterType(Iterable<?> source,
                                     Class<T> type)

find

public static <T> Optional<T> find(Iterable<T> source,
                                   F1<? super T,Boolean> accept)

forall

public static <T> boolean forall(Iterable<T> source,
                                 F1<? super T,Boolean> forall)

map

public static <R,T> List<R> map(Iterable<T> source,
                                F1<? super T,? extends R> convert)

map

public static <R,T> List<R> map(T[] source,
                                F1<? super T,? extends R> convert)

mkString

public static String mkString(Iterable<?> source,
                              String separator)

mkString

public static String mkString(Object[] source,
                              String separator)

mkString

public static String mkString(Iterable<?> source,
                              String prefix,
                              String separator,
                              String suffix)

mkString

public static <T> String mkString(T[] source,
                                  String prefix,
                                  String separator,
                                  String suffix)

mkString

public static <T> String mkString(Iterable<T> source,
                                  String prefix,
                                  String separator,
                                  String suffix,
                                  F1<? super T,String> convert)

mkString

public static <T> String mkString(T[] source,
                                  String prefix,
                                  String separator,
                                  String suffix,
                                  F1<? super T,String> convert)

filter

public static <T> List<T> filter(Iterable<T> source,
                                 F1<? super T,Boolean> accept)