module Utils::IRB

def self.configure
  ::IRB.conf[:SAVE_HISTORY] = 1000
  if ::IRB.conf[:PROMPT]
    ::IRB.conf[:PROMPT][:CUSTOM] = {
      :PROMPT_I =>  ">> ",
      :PROMPT_N =>  ">> ",
      :PROMPT_S =>  "%l> ",
      :PROMPT_C =>  "+> ",
      :RETURN   =>  " # => %s\n"
    }
    ::IRB.conf[:PROMPT_MODE] = :CUSTOM
  end
end