Add OrderedDict support to collections.namedtuple().
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index 2a3445c..5d68e5a 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -651,9 +651,9 @@
def __repr__(self):
return 'Point(x=%r, y=%r)' % self
<BLANKLINE>
- def _asdict(t):
- 'Return a new dict which maps field names to their values'
- return {'x': t[0], 'y': t[1]}
+ def _asdict(self):
+ 'Return a new OrderedDict which maps field names to their values'
+ return OrderedDict(zip(self._fields, self))
<BLANKLINE>
def _replace(self, **kwds):
'Return a new Point object replacing specified fields with new values'
@@ -711,10 +711,14 @@
.. method:: somenamedtuple._asdict()
- Return a new dict which maps field names to their corresponding values::
+ Return a new :class:`OrderedDict` which maps field names to their corresponding
+ values::
>>> p._asdict()
- {'x': 11, 'y': 22}
+ OrderedDict([('x', 11), ('y', 22)])
+
+ .. versionchanged 3.1
+ Returns an :class:`OrderedDict` instead of a regular :class:`dict`.
.. method:: somenamedtuple._replace(kwargs)