Knot::Protocol#snd supports strings as key, too (calls to_sym)

lib/knot/protocol.rb

@@ -183,21 +183,13 @@ class Knot::Protocol
 
 	def snd sock: nil, **data
 		rsock = sock || @sock
-		#s = ''.b
-		#sock = StringIO.new s
-		#sock.write [1].pack( 'c')
+		data = Hash[ *data.map {|k,v| [k.to_sym, v]}.flatten]
 		data[:flags] ||= ''
 		ds =
 			Idx.
-				select {|n| data[n.to_sym] }.
-				map {|n| v = data[n.to_sym].to_s.b; [n.to_i, v.size, v ] }
+				select {|n| p [n.to_sym, data[n.to_sym]]; data[n.to_sym] }.
+				map {|n| v = data[n.to_sym].to_s.b; [n.to_i, v.size, v] }
 		s = [Types[:data].to_i, ds, Types[:block].to_i].flatten.pack( "c #{'c na*'*ds.length} c").b
-		#Idx.each do |n|
-		#	v = data[n.to_sym]&.to_s&.b
-		#	sock.write [n.to_i, v.size, v].pack( 'c na*')  if v
-		#end
-		#sock.write [3].pack( 'c')
-		#sock.flush
 		if 0 >= @logger.sev_threshold
 			@logger.debug "send data #{data.inspect}"
 			@logger.debug "send raw  #{s.inspect}"