Method: Redis::Commands::Keys#exists

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

#exists(*keys) ⇒ `Integer`

Determine how many of the keys exists.

Parameters:

keys (String, Array<String>)

Returns:

(Integer)



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# File 'lib/redis/commands/keys.rb', line 271

def exists(*keys)
  send_command([:exists, *keys])
end