flatten

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flatten_dict(key, value)

Transform a pair key and value into a dictionary.

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flatten_dict(key, value:: Dict{<:Any, <:Any})

Given a key and a value which is a dictionary, concatenate the key string to every other key of the dictionary value. A dictionary of dictionaries will become only a dictionary of values.

Thus, we are “flattening” the inner dictionaries.

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flatten_dict(dict::Dict{<:Any, <:Any}, n = 1)

Remove one layer of dictionaries of a dictionary.