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13 lines
407 B
Python
13 lines
407 B
Python
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def first_true(*args, default=False, pred=None):
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"""Returns the first true value in the iterable.
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If no true value is found, returns *default*
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If *pred* is not None, returns the first item
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for which pred(item) is true.
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"""
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# first_true([a,b,c], x) --> a or b or c or x
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# first_true([a,b], x, f) --> a if f(a) else b if f(b) else x
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return next(filter(pred, args), default)
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