How to recognize a generator function?
Neil Schemenauer
nas-usenet at arctrix.com
Wed Jun 18 10:00:57 EDT 2003
Oscar Rambla <tecnic at codidoc.com> wrote:
> I'm not been able to find a solution to the following:
>
> How to recognize if a function is a generator function before calling it?
> (Alternatives to having to inspect code for a yield or wrapping it into a
> class).
There is no way to do that. Think about:
def g():
yield 1
def f():
return g()
also think about:
def f():
return iter([1])
There are lots of ways to return iterators in Python.
Generator-iterators are first class objects and be passed around.
What are you really trying to do?
Neil
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