get in

get a value from a nested data structure

(any xs, list keys, any notFound) -> any

Accesses nested list and dict values in xs using the given list of keys. Returns the found value.

Returns notFound if any of the keys is not present.

Returns nil if xs is nil, or keys is nil. Returns xs if keys is an empty list.

Throws an error when trying to access a data structure that is neither a dict or list.

Throws an error or when a key value cannot be cast to the appropriate key type of the data structure.

Parameters