"Petr Prikryl" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED]
>Summary: In my opinion, the C-like prefix >increment and decrement operators (++i and --i) Python is not C. In Python, ++x and --x are the same as + + x and - - x are the same as +(+x) and -(-x) (as you later guessed, and could verify in the Ref Manual). A pair of operators is not an operator, let alone an increment or decrement operator. The pair of operators is just that, a pair. So the premise of this opinion is wrong. To succeed in Python, one must drop the C mindset and switch to a Python mindset. And there are much deeper issues than this surface syntax one, such at the difference in object models. >should be marked as "syntax error". I completely disagree. Unless you also propose to ban syntactical equivalents such as I gave above (even worse), you are proposing two nitpicky lexical exceptions to Python's general lexical rules. They would, I believe, be unprecedented. They are certainly senseless within Python itself. They are also contrary to the basic philosophy of Python of avoiding unnecessary exceptions, which complicate both the learning of the language and its parsing. You could propose to the author of Pychecker that he include, if possible, an option to check for and warn about '++', '--'. But it should be optional because '++' and '--' could be legitimate and sensible when applied to user-class instances. Consider the (non-circular) Python definition of bool (now builtin): def bool(obj): return not not obj Terry J. Reedy -- http://mail.python.org/mailman/listinfo/python-list
