Method f

Lib/test/test_yield_from.py:675–683

(r)

        """
        trace = []
        def f(r):
            gi = g(r)
            next(gi)
            try:
                trace.append("f resuming g")
                next(gi)
                trace.append("f SHOULD NOT BE HERE")
            except StopIteration as e:
                trace.append("f caught %r" % (e,))
        def g(r):
            trace.append("g starting")
            yield