Package com.usatiuk.utils

Class ListUtils

java.lang.Object

com.usatiuk.utils.ListUtils

public class ListUtils
extends Object

Utility class for list operations.

Constructor Summary

Constructors

Constructor	Description
ListUtils()

Method Summary

Modifier and Type	Method	Description
static <T, T_V> List<T_V>	map(List<T> suffix, Function<T,T_V> suffixFn)	Maps a list using a provided function.
static <T> List<T>	prepend(T item, List<T> suffix)	Prepends an item to a list.
static <T, T_V> List<T_V>	prependAndMap(T_V item, List<T> suffix, Function<T,T_V> suffixFn)	Prepends an item to a list and maps the rest of the list using a provided function.

Methods inherited from class java.lang.Object

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

Constructor Details

ListUtils

public ListUtils()

Method Details

prependAndMap

public static <T,
T_V> List<T_V> prependAndMap(T_V item,
 List<T> suffix,
 Function<T,T_V> suffixFn)

Prepends an item to a list and maps the rest of the list using a provided function.

Type Parameters:

T - The type of the items in the list.

T_V - The type of the mapped items.

Parameters:

item - The item to prepend.

suffix - The list to append to.

suffixFn - The function to map the suffix items.

Returns:

A new list with the prepended item and mapped suffix items.

prepend

public static <T> List<T> prepend(T item,
 List<T> suffix)

Prepends an item to a list.

Type Parameters:

T - The type of the items in the list.

Parameters:

item - The item to prepend.

suffix - The list to append to.

Returns:

A new list with the prepended item and the original suffix items.

map

public static <T,
T_V> List<T_V> map(List<T> suffix,
 Function<T,T_V> suffixFn)

Maps a list using a provided function.

Type Parameters:

T - The type of the items in the list.

T_V - The type of the mapped items.

Parameters:

suffix - The list to map.

suffixFn - The function to map the items.

Returns:

A new list with the mapped items.