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Small improvement to the implementation of __replace__().

This commit is contained in:
Raymond Hettinger 2007-11-15 02:55:42 +00:00
parent eeeb9c4445
commit 5681cbce81
2 changed files with 2 additions and 2 deletions
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2
Doc/library/collections.rst
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@ -396,7 +396,7 @@ Example::
return dict(zip(('x', 'y'), self))
def __replace__(self, field, value):
'Return a new Point object replacing specified fields with new values'
return Point(**dict(self.__asdict__().items() + kwds.items()))
return Point(**dict(zip(('x', 'y'), self) + kwds.items()))
x = property(itemgetter(0))
y = property(itemgetter(1))

2
Lib/collections.py
View File

@ -64,7 +64,7 @@ def namedtuple(typename, field_names, verbose=False):
return dict(zip(%(field_names)r, self))
def __replace__(self, **kwds):
'Return a new %(typename)s object replacing specified fields with new values'
return %(typename)s(**dict(self.__asdict__().items() + kwds.items())) \n''' % locals()
return %(typename)s(**dict(zip(%(field_names)r, self) + kwds.items())) \n''' % locals()
for i, name in enumerate(field_names):
template += ' %s = property(itemgetter(%d))\n' % (name, i)
if verbose: