is_bool_indexer(key: 'Any') -> 'bool'
Only list-likes may be considered boolean indexers. All other types are not considered a boolean indexer. For array-like input, boolean ndarrays or ExtensionArrays with _is_boolean
set are considered boolean indexers.
When the array is an object-dtype ndarray or ExtensionArray and contains missing values.
Whether :None:None:`key` is a valid boolean indexer.
Check whether :None:None:`key` is a valid boolean indexer.
check_array_indexer
Check that :None:None:`key` is a valid array to index, and convert to an ndarray.
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