62 lines
1.2 KiB
Python
62 lines
1.2 KiB
Python
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def gen(x=0):
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x = yield from [1,2,3]
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print("checkpoint 1", x)
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x = yield 4
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print("checkpoint 2", x)
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yield from [5,6,7]
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def main():
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for i in gen():
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print(i)
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main()
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def foo(x=-1):
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print("Entering")
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x = yield 42
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print("Got",x)
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x = yield 1024
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print("got",x)
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return 1234
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def main(f=None):
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f = foo()
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print('yield 1 got',f.send(None))
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print('yield 2 got',f.send('hello'))
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try:
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f.send('bye') # End of iterator
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except:
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pass # On Python, this throws stop-iteration with 1234
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main()
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def accumulate(tally=0,next=None):
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print("Entering accumulate")
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while True:
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print("Yielding None")
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next = yield
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print("Got",next)
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if next is None:
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print("Returning tally",tally)
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return tally
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tally += next
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def gather_tallies(tallies,tally=None):
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while True:
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tally = yield from accumulate()
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print("Appending",tally)
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tallies.append(tally)
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def main(tallies=None,acc=None):
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tallies = []
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acc = gather_tallies(tallies)
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print(next(acc))
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for i in range(4):
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print(acc.send(i))
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acc.send(None)
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for i in range(5):
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acc.send(i)
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acc.send(None)
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print(tallies)
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main()
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