Cldr.Map.rename_keys
You're seeing just the function
rename_keys, go back to Cldr.Map module for more information.
Rename map keys from from to to
mapis anymap/0fromis any value map keytois any valid map keyoptionsis a keyword list of options passed todeep_map/3
Example
iex> Cldr.Map.rename_keys %{"a" => %{"this_one" => "value"}}, "this_one", "that_one"
%{"a" => %{"that_one" => "value"}}