From: Roger Pack <rogerdpack2@...>
Date: 2010-09-09T00:39:36+09:00
Subject: [ruby-core:32151] Re: Ruby 2.0 Wiki/Wish-list?

> |++x and x++

> I have already rejected this idea many times.
>
> But just for curiosity, how do you define the semantics of x++ and
> ++x, where you don't have explicit type for variables in Ruby.
> For x += 1, it's easily defined as x = x + 1, but not that easy for
> x++ and ++x.

++x is (y = x; x=x+1; y) (y is anonymous--basically just a return value)
x++ is (x = x+ 1) as noted.

I think that's how C does it.
-r