From: Brian Candler <B.Candler@...>
Date: 2010-09-06T23:11:42+09:00
Subject: Re: Odd functional programming question

On Mon, Sep 06, 2010 at 10:50:35PM +0900, Peter Hickman wrote:
> Any other ideas gratefully received.

That's The Right Way To Do It. For methods which take a block you'll need to
pass that through, and it's slightly more efficient to use symbols instead
of strings (if you pass a string to send, it will have to convert it to a
symbol for you).

def X(text, todo, *args, &blk)
  text.send(todo, *args, &blk)
end

puts X("abcdefgh", :downcase)
puts X("abcdefgh", :each_byte) { |i| puts i }