Loop until condition is true
Jeff Epler
jepler at unpythonic.net
Wed Jun 22 12:50:01 EDT 2005
def until(pred):
yield None
while True:
if pred(): break
yield None
def example():
i = 0
for _ in until(lambda: x==0):
x = 10 - i
i += 1
print x, i
example()
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