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Library goog.structs

Function Summary
	`clear(?Object col)` Removes all the elements from the collection.
	`contains(?Object col, <Any Type> val) ⇒ boolean` Whether the collection contains the given value. This is O(n) and uses equals (==) to test the existence.
	`every(?Object col, ?Function f, ?Object= opt_obj) ⇒ boolean` Calls f for each value in a collection. If all calls return true this return true this returns true. If any returns false this returns false at this point and does not continue to check the remaining values.
	`filter(?Object col, ?Function f, ?Object= opt_obj) ⇒ !Object` Calls a function for every value in the collection. When a call returns true, adds the value to a new collection (Array is returned by default).
	`forEach(?Object col, ?Function f, ?Object= opt_obj)` Calls a function for each value in a collection. The function takes three arguments; the value, the key and the collection.
	`getCount(?Object col) ⇒ number` Returns the number of values in the collection-like object.
	`getKeys(?Object col) ⇒ (Array\|undefined)` Returns the keys of the collection. Some collections have no notion of keys/indexes and this function will return undefined in those cases.
	`getValues(?Object col) ⇒ !Array` Returns the values of the collection-like object.
	`isEmpty(?Object col) ⇒ boolean` Whether the collection is empty.
	`map(?Object col, ?Function f, ?Object= opt_obj) ⇒ !Object` Calls a function for every value in the collection and adds the result into a new collection (defaults to creating a new Array).
	`some((Object\|null\|string) col, ?Function f, ?Object= opt_obj) ⇒ boolean` Calls f for each value in a collection. If any call returns true this returns true (without checking the rest). If all returns false this returns false.