35 lines
584 B
Python
35 lines
584 B
Python
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# test next(iter, default)
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try:
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next(iter([]), 42)
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except TypeError: # 2-argument version not supported
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print('SKIP')
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raise SystemExit
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print(next(iter([]), 42))
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print(next(iter(range(0)), 42))
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print(next((x for x in [0] if x == 1), 43))
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def gen():
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yield 1
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yield 2
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g = gen()
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print(next(g, 42))
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print(next(g, 43))
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print(next(g, 44))
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class Gen:
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def __init__(self):
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self.b = False
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def __next__(self):
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if self.b:
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raise StopIteration
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self.b = True
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return self.b
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g = Gen()
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print(next(g, 44))
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print(next(g, 45))
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