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Showing content from https://mail.python.org/pipermail/python-dev/2002-March/021403.html below:

[Python-Dev] A Hygienic Macro System in Python?

[Python-Dev] A Hygienic Macro System in Python?Juergen Hermann Juergen Hermann" <j.her@t-online.de
Mon, 18 Mar 2002 23:34:44 +0100 
On Mon, 18 Mar 2002 16:45:09 -0500, Guido van Rossum wrote:

>More use cases please!  (Unless you give up now. :-)

My major use case for (simple) macros would be AOP (aspect oriented
programming), where calling a function can hurt you, especially for
aspects like "do this on a development system, but not on the
production system".

Currently, you need things like this:

	if do_debug:
		some costly things

	main code

	if do_debug:
		collect info and write to log or something

So, instead of adding macros, might we think about a Pythonic (and
efficient!) way to add aspects to the language?

Ciao, J=FCrgen

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