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51 lines
1.2 KiB
Haxe
51 lines
1.2 KiB
Haxe
package funkin.util.tools;
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/**
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* A static extension which provides utility functions for Arrays.
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*/
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class ArrayTools
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{
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/**
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* Returns a copy of the array with all duplicate elements removed.
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* @param array The array to remove duplicates from.
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* @return A copy of the array with all duplicate elements removed.
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*/
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public static function unique<T>(array:Array<T>):Array<T>
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{
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var result:Array<T> = [];
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for (element in array)
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{
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if (!result.contains(element))
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{
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result.push(element);
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}
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}
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return result;
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}
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/**
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* Return the first element of the array that satisfies the predicate, or null if none do.
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* @param input The array to search
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* @param predicate The predicate to call
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* @return The result
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*/
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public static function find<T>(input:Array<T>, predicate:T->Bool):Null<T>
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{
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for (element in input)
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{
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if (predicate(element)) return element;
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}
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return null;
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}
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/**
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* Remove all elements from the array, without creating a new array.
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* @param array The array to clear.
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*/
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public static function clear<T>(array:Array<T>):Void
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{
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// This method is faster than array.splice(0, array.length)
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while (array.length > 0)
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array.pop();
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}
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}
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