From: Paul Brannan <paul@...>
Date: 2001-12-19T02:16:28+09:00
Subject: [ruby-talk:28878] Re: C++ preincrement operator

On Wed, Dec 19, 2001 at 02:09:03AM +0900, Peter Hickman wrote:
> Both - and + are unary prefix operators and there is probably a 'feature'
> 
> in the parser that produces this behaviour. You will have to use
> 
> x += 1 and x -= 1

The problem is not that I want to know how to increment/decrement x, but
that I want to be told when I'm doing it incorrectly.  I see no reason
why:

  -------------------------1

should produce:

  -1

instead of an error, unless I am trying to write obfuscated Ruby.

Paul