auxlib.ish¶
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auxlib.ish.
find_or_none
(key, search_maps, _map_index=0)[source]¶ Return the value of the first key found in the list of search_maps, otherwise return None.
Examples
>>> from .collection import AttrDict >>> d1 = AttrDict({'a': 1, 'b': 2, 'c': 3, 'e': None}) >>> d2 = AttrDict({'b': 5, 'e': 6, 'f': 7}) >>> find_or_none('c', (d1, d2)) 3 >>> find_or_none('f', (d1, d2)) 7 >>> find_or_none('b', (d1, d2)) 2 >>> print(find_or_none('g', (d1, d2))) None >>> find_or_none('e', (d1, d2)) 6