keysOf()

by Ricardo Fernández Serrata

Version 1 (June 19, 2021)

Download (9 downloads)

Returns an array (named key_array) of ALL indices/keys (supports dictionaries) where value is found in ANY type of container.

If value is not found, returns null. I was considering that it would be more consistent to return an empty array, but null is more efficient in many ways.

For better performance and correctness, this uses indexOf() as a "base", instead of a custom implementation.

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