Method: Redis::Commands::Bitmaps#bitcount

Defined in:

lib/redis/commands/bitmaps.rb

#bitcount(key, start = 0, stop = -1)) ⇒ Integer

Count the number of set bits in a range of the string value stored at key.

Parameters:

• key (String)
• start (Integer) (defaults to: 0) —

  start index

• stop (Integer) (defaults to: -1)) —

  stop index

Returns:

• (Integer) —

  the number of bits set to 1

# File 'lib/redis/commands/bitmaps.rb', line 31

def bitcount(key, start = 0, stop = -1)
  send_command([:bitcount, key, start, stop])
end