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Map Functions

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Name Description cardinality(map) Return the size of the map (or the number of entries in the map). element_at(map, key) Return the value for a given key as a list, or an empty list if the key is not contained in the map. The type of the key provided in the second parameter must match the type of the map's keys; else, an error is thrown. map_concat(maps...) Returns a map created from merging the input maps. On key c…

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