class_docstr: Bloom Filter commands.
class_docstr_tok: ["Bloom","Filter","commands","."]
docstr: Returns the cardinality of a Bloom filter - number of items that were added to a Bloom filter and detected as unique
  (items that caused at least one bit to be set in at least one sub-filter).
  For more information see `BF.CARD <https://redis.io/commands/bf.card>`_.
docstr_tok: ["Returns","the","cardinality","of","a","Bloom","filter","-","number","of","items","that","were","added","to","a","Bloom","filter","and","detected","as","unique","(","items","that","caused","at","least","one","bit","to","be","set","in","at","least","one","sub-filter",")",".","For","more","information","see","`","BF.CARD","<","https",":","\/\/redis.io\/commands\/bf.card",">","`","_","."]
code: def card(self, key):
      """
      Returns the cardinality of a Bloom filter - number of items that were added to a Bloom filter and detected as unique
      (items that caused at least one bit to be set in at least one sub-filter).
      For more information see `BF.CARD <https://redis.io/commands/bf.card>`_.
      """  # noqa
      return self.execute_command(BF_CARD, key)
  
imports: from redis.client import NEVER_DECODE
  from redis.exceptions import ModuleError
  from redis.utils import HIREDIS_AVAILABLE, deprecated_function
label_desc: Use image node_id 10 for calling the BFCommands obj's underlying member method code with example usage: obj.card(key) and returns: self