class Redis

def zadd(key, *args) #, options

Returns:
  • (Boolean, Fixnum, Float) -

Parameters:
  • options (Hash) --
  • args ([Float, String], Array<[Float, String]>) --
  • key (String) --

Other tags:
    Example: Add an array of `[score, member]` pairs to a sorted set -
    Example: Add a single `[score, member]` pair to a sorted set - 
def zadd(key, *args) #, options
  zadd_options = []
  if args.last.is_a?(Hash)
    options = args.pop
    nx = options[:nx]
    zadd_options << "NX" if nx
    xx = options[:xx]
    zadd_options << "XX" if xx
    ch = options[:ch]
    zadd_options << "CH" if ch
    incr = options[:incr]
    zadd_options << "INCR" if incr
  end
  synchronize do |client|
    if args.size == 1 && args[0].is_a?(Array)
      # Variadic: return float if INCR, integer if !INCR
      client.call([:zadd, key] + zadd_options + args[0], &(incr ? Floatify : nil))
    elsif args.size == 2
      # Single pair: return float if INCR, boolean if !INCR
      client.call([:zadd, key] + zadd_options + args, &(incr ? Floatify : Boolify))
    else
      raise ArgumentError, "wrong number of arguments"
    end
  end
end