Package com.norswap.nanoeth.utils

Class Utils

java.lang.Object

com.norswap.nanoeth.utils.Utils

public final class Utils
extends Object

Misc general-purpose utilities that do not have a place in other utility classes.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Utils.ThrowingFunction<T,R>	Similar to Function, but allowed to throw exceptions.

Method Summary

Modifier and Type	Method	Description
static <T> boolean	allDistinct(T... values)	Returns true iff all supplies values are distinct.
static <T, R> R[]	map(T[] array, IntFunction<R[]> arraySupplier, Function<T,R> f)	Returns an array obtained by applying the function f to each item in array.
static <T, R> R[]	mapThrowing(T[] array, IntFunction<R[]> arraySupplier, Utils.ThrowingFunction<T,R> f)	Returns an array obtained by applying the function f to each item in array.

Methods inherited from class java.lang.Object

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

Method Details

allDistinct

@SafeVarargs
public static <T> boolean allDistinct(T... values)

Returns true iff all supplies values are distinct.

map

public static <T,
R> R[] map(T[] array,
IntFunction<R[]> arraySupplier,
Function<T,R> f)

Returns an array obtained by applying the function f to each item in array.

The returned array is obtained by calling arraySupplier with the desired size.

mapThrowing

public static <T,
R> R[] mapThrowing(T[] array,
IntFunction<R[]> arraySupplier,
Utils.ThrowingFunction<T,R> f)
                             throws Throwable

Returns an array obtained by applying the function f to each item in array.

The returned array is obtained by calling arraySupplier with the desired size.

Throws:

Throwable