Function ve2no

recipes/Python/577197_SortedCollection/recipe-577197.py:199–204

Convert ValueError result to -1

(f, *args)

if __name__ == '__main__':

    def ve2no(f, *args):
        'Convert ValueError result to -1'
        try:
            return f(*args)
        except ValueError:
            return -1

    def slow_index(seq, k):
        'Location of match or -1 if not found'