The efficiency aspect can creep up on people easily though, regardless of language. It's the standard concern: you don't know how your code will be used in futu

The efficiency aspect can creep up on people easily though, regardless of language. It's the standard concern: you don't know how your code will be used in future. One example: http://tenderlovemaking.com/2011/12/05/profiling-rails-startup-with-dtrace/ http://tenderlovemaking.com/2011/12/05/profiling-rails-start...