class Net::WriteAdapter

def <<(str)
  write str
  self
end

def initialize(writer)
  @writer = writer
end

def inspect
  "#<#{self.class} writer=#{@writer.inspect}>"
end

def printf(*args)
  write sprintf(*args)
end

def puts(str = '')
  write str.chomp("\n") + "\n"
end

def write(str)
  @writer.call(str)
end