use codeblock for pre/post processing

gistfile1.rb

require "socket"

class Client
  def initialize(ip="127.0.0.1",port=3333)
    @ip, @port = ip, port end
    def send_message(msg) connection do |socket|
    socket.puts(msg)
    socket.gets end
  end

  def receive_message
    connection { |socket| socket.gets }
  end
private
  def connection
    socket = TCPSocket.new(@ip,@port) yield(socket)
  ensure socket.close
end end