From: "leonardo.pires@..." <leonardo.pires@...>
Date: 2005-09-13T12:26:33+09:00
Subject: Re: BEGIN and END vs. blocks

I think that's partially true. The curly form has a higher precedence
then the do ... end one. So, I can code:

def foo(duh)
  duh
end

def goo
  puts yield
end

foo goo { 'bar' }

In this case, goo is a argument, right?