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36 lines
782 B
Haxe
36 lines
782 B
Haxe
package funkin.util.tools;
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/**
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* A static extension which provides utility functions for Maps.
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*
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* For example, add `using MapTools` then call `map.values()`.
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*
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* @see https://haxe.org/manual/lf-static-extension.html
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*/
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class MapTools
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{
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/**
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* Return the quantity of keys in the map.
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*/
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public static function size<K, T>(map:Map<K, T>):Int
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{
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return map.keys().array().length;
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}
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/**
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* Return a list of values from the map, as an array.
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*/
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public static function values<K, T>(map:Map<K, T>):Array<T>
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{
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return [for (i in map.iterator()) i];
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}
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/**
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* Return a list of keys from the map (as an array, rather than an iterator).
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*/
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public static function keyValues<K, T>(map:Map<K, T>):Array<K>
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{
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return map.keys().array();
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}
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}
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