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accumulate: fix lambda usage (see #287) #288

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Merged
merged 1 commit into from
Jan 26, 2016
Merged

accumulate: fix lambda usage (see #287) #288

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9 changes: 4 additions & 5 deletions accumulate/accumulate_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,8 @@ def test_divmod(self):

def test_composition(self):
inp = [10, 17, 23]
fn1 = lambda x: divmod(x, 7)
fn2 = lambda x: 7 * x[0] + x[1]
self.assertEqual(inp, accumulate(accumulate(inp, fn1), fn2))
self.assertEqual(inp, accumulate(accumulate(inp, lambda x: divmod(x, 7)),
lambda x: 7 * x[0] + x[1]))

def test_capitalize(self):
inp = ['hello', 'world']
Expand All @@ -30,8 +29,8 @@ def test_capitalize(self):
def test_recursive(self):
inp = list('abc')
out = [['a1', 'a2', 'a3'], ['b1', 'b2', 'b3'], ['c1', 'c2', 'c3']]
fn = lambda x: accumulate(list('123'), lambda y: x + y)
self.assertEqual(out, accumulate(inp, fn))
self.assertEqual(out, accumulate(inp, lambda x: accumulate(list('123'),
lambda y: x + y)))


if __name__ == '__main__':
Expand Down