to support/encourage immutability, removed setting field

EntilZha · Mar 13, 2015 · 5278fa0 · 5278fa0
1 parent c7af366
commit 5278fa0
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diff --git a/functional/chain.py b/functional/chain.py
@@ -50,9 +50,6 @@ def __len__(self):
     def __getitem__(self, key):
         return _wrap(self.sequence[key])
 
-    def __setitem__(self, key, value):
-        self.sequence[key] = value
-
     def __iter__(self):
         return iter(self.sequence)
 

diff --git a/test/test_functional.py b/test/test_functional.py
@@ -59,13 +59,6 @@ def test_getitem(self):
         self.assertIsInstance(s[0], set)
         self.assertEqual(s[0], l[0])
 
-    def test_setitem(self):
-        l = [1, 2, 3, 4, [5, 6, 7]]
-        s = seq(l)
-        s[1:3] = 8, 9
-        expect = [1, 8, 9, 4, [5, 6, 7]]
-        self.assertEqual(s, expect)
-
     def test_iter(self):
         l = list(enumerate(seq([1, 2, 3])))
         e = list(enumerate([1, 2, 3]))