2015-04-15 04:48:25 -03:00

31 lines
499 B
Python

"""
Exemplo adaptado da mensagem do Guido van Rossum em:
https://groups.google.com/forum/#!msg/python-tulip/bmphRrryuFk/aB45sEJUomYJ
http://bit.ly/yieldfrom
>>> principal(ger2())
OK
None
Visualização no PythonTutor: http://goo.gl/61CUcA
"""
def ger1():
val = yield 'OK'
print(val)
yield # para evitar o StopIteration
def ger2():
for i in ger1():
yield i
def principal(g):
print(next(g))
g.send(42)
# auto-teste
import doctest
doctest.testmod()