Re: [Python-Dev] PEP 550 v4

2017年8月28日 15:58:45 -0700

Yury Selivanov wrote:
I saying that the following should not work:
 def nested_gen():
 set_some_context()
 yield
 def gen():
 # some_context is not set
 yield from nested_gen()
 # use some_context ???
And I'm saying it *should* work, otherwise it breaks
one of the fundamental principles on which yield-from
is based, namely that 'yield from foo()' should behave
as far as possible as a generator equivalent of a
plain function call.
--
Greg
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