def test_parallel(self):
"""***"""
prog = Arrow().parallel(lambda n: n+1, lambda n: n+2)
prog.post(list)
self.assertEquals([2, 4], prog([1, 2]))
def test_precomputation(self):
arr = Arrow(map_arr, lambda n: n+1)
larger2arr = arr.post(filter_arr, lambda n: n>2)
self.assertEquals([3,4,5,6,7, 8], larger2arr([1,2,3,4,5,6,7]))