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[1.8.x] Fixed #25727 -- Added a doc link to cached_property.

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Backport of e0de82c9b2 from master
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Tim Graham
2015-11-10 13:27:46 -05:00
parent 5fc9a1b8bd
commit e592574e6e
1 changed files with 5 additions and 5 deletions
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10
docs/topics/performance.txt
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@@ -174,11 +174,11 @@ final steps towards producing well-performing code, not a shortcut.
It's common to have to call a class instances's method more than once. If It's common to have to call a class instances's method more than once. If
that function is expensive, then doing so can be wasteful. that function is expensive, then doing so can be wasteful.
Using the ``@cached_property`` decorator saves the value returned by a Using the :class:`~django.utils.functional.cached_property` decorator saves the
property; the next time the function is called on that instance, it will return value returned by a property; the next time the function is called on that
the saved value rather than re-computing it. Note that this only works on instance, it will return the saved value rather than re-computing it. Note that
methods that take ``self`` as their only argument and that it changes the this only works on methods that take ``self`` as their only argument and that
method to a property. it changes the method to a property.
Certain Django components also have their own caching functionality; these are Certain Django components also have their own caching functionality; these are
discussed below in the sections related to those components. discussed below in the sections related to those components.