Someone did a PR[1] with something similar. He also found a way to speed things up by creating a Proc first and feeding it to the eval instead of the string. [

Someone did a PR[1] with something similar. He also found a way to speed things up by creating a Proc first and feeding it to the eval instead of the string. [1] https://github.com/thisredone/rb/pull/2 https://github.com/thisredone/rb/pull/2