Doc: Add missing entry for functools.cached_property (GH-16803)
(cherry picked from commit 93b81e1fcbeb61c1b49ac2fa52c5a0dff929940b)
Co-authored-by: Stéphane Wirtel <stephane@wirtel.be>
diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst
index e1388e2..ef4209f 100644
--- a/Doc/whatsnew/3.8.rst
+++ b/Doc/whatsnew/3.8.rst
@@ -685,6 +685,22 @@
(Contributed by Raymond Hettinger in :issue:`36772`.)
+Added a new :func:`functools.cached_property` decorator, for computed properties
+cached for the life of the instance. ::
+
+ import functools
+ import statistics
+
+ class Dataset:
+ def __init__(self, sequence_of_numbers):
+ self.data = sequence_of_numbers
+
+ @functools.cached_property
+ def variance(self):
+ return statistics.variance(self.data)
+
+(Contributed by Carl Meyer in :issue:`21145`)
+
gc
--