Hi all, Is there an efficient way to transform entries in a map into two arrays, one containing the keys and one containing the values? Here's my attempt:
``` xquery version "3.1"; let $letters-numbers := map { "a": 1, "b": 2, "c": 3 } return ( array { map:keys($letters-numbers) }, array { $letters-numbers?* } ) ``` This successfully takes `map { "a": 1, "b": 2, "c": 3 }` and returns (["a", "b", "c"], [1, 2, 3]), but the way it iterates through the map twice strikes me as somewhat inefficient. Is there a better way to reduce this to a single pass through the map, or is this actually the best approach? Joe
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