Method: Oxblood::Commands::SortedSets#zcard

Defined in:
lib/oxblood/commands/sorted_sets.rb

#zcard(key) ⇒ Integer

Get the number of members in a sorted set

Parameters:

  • key (String)

Returns:

  • (Integer) —

    the cardinality (number of elements) of the sorted set, or 0 if key does not exists

See Also:



27
28
29
 
# File 'lib/oxblood/commands/sorted_sets.rb', line 27

def zcard(key)
  run(:ZCARD, key)
end