Phillip J. Eby writes:
> Yes, I think the whole concept of inspecting for this is broken.   
> *Any* function can return a generator-iterator.  A generator  
> function is just a function that happens to always return one.

Just following up on Phillip's comments, consider the following functions:


     def foo(x):
         while still_going(x):
            yield some_func(x)

     def bar(x):
         while still_going(x):
             yield other_func(x)

     def foo_or_bar(x):
         if some_condition(x):
             return foo(x)
         else:
             return bar(x)

I presume that Michele's proposal is that inspect.isgenerator() (or
perhaps "inspect.isgenfunc()") would return True for "foo" and "bar"
but false for "foo_or_bar". Can you give a single use case for which
that distinction is desirable?

-- Michael Chermside

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