Testing if a global is defined in a module

[Grant Edwards]

On 2011-07-06, Waldek M. <wm at localhost.localdomain> wrote:
> Dnia Wed, 06 Jul 2011 03:36:24 +1000, Steven D'Aprano napisa?(a):

>> Because unless you are extremely disciplined, code and the comments
>> describing them get out of sync. [...]

> True, but that gets far worse with external docs. Do you have in mind
> any better replacement?

You write code that's easy to read, and you provide the language with
introspection capabilities that allow you do do things like write a
program that will list the symbols exported by a module.

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