Method: Redis::Commands::SortedSets#zcard

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

#zcard(key) ⇒ `Integer`

Get the number of members in a sorted set.

Examples:

redis.zcard("zset")
  # => 4

Parameters:

key (String)

Returns:

(Integer)



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# File 'lib/redis/commands/sorted_sets.rb', line 14

def zcard(key)
  send_command([:zcard, key])
end