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Kill reduce(). A coproduction of John Reese, Jacques Frechet, and Alex M.

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This commit is contained in:
Guido van Rossum 2006-08-22 00:21:25 +00:00
parent 6cefeb0e81
commit 89da5d7c3d
10 changed files with 25 additions and 144 deletions
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13
Lib/test/test_iter.py
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@ -498,19 +498,6 @@ class TestCase(unittest.TestCase):
for y in NoGuessLen5(), Guess3Len5(), Guess30Len5():
self.assertEqual(zip(x, y), expected)
# Test reduces()'s use of iterators.
def test_builtin_reduce(self):
from operator import add
self.assertEqual(reduce(add, SequenceClass(5)), 10)
self.assertEqual(reduce(add, SequenceClass(5), 42), 52)
self.assertRaises(TypeError, reduce, add, SequenceClass(0))
self.assertEqual(reduce(add, SequenceClass(0), 42), 42)
self.assertEqual(reduce(add, SequenceClass(1)), 0)
self.assertEqual(reduce(add, SequenceClass(1), 42), 42)
d = {"one": 1, "two": 2, "three": 3}
self.assertEqual(reduce(add, d), "".join(d.keys()))
# This test case will be removed if we don't have Unicode
def test_unicode_join_endcase(self):