From 7d74effc67281b505756e040437241e5b1436a7c Mon Sep 17 00:00:00 2001 From: Raymond Hettinger Date: Mon, 4 Jun 2012 00:32:15 -0700 Subject: Add usage note. --- Doc/library/functools.rst | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Doc/library/functools.rst b/Doc/library/functools.rst index 1b0d82a..f5c6608 100644 --- a/Doc/library/functools.rst +++ b/Doc/library/functools.rst @@ -49,8 +49,9 @@ The :mod:`functools` module defines the following functions: Since a dictionary is used to cache results, the positional and keyword arguments to the function must be hashable. - If *maxsize* is set to None, the LRU feature is disabled and the cache - can grow without bound. + If *maxsize* is set to None, the LRU feature is disabled and the cache can + grow without bound. The LRU feature performs best when *maxsize* is a + power-of-two. If *typed* is set to True, function arguments of different types will be cached separately. For example, ``f(3)`` and ``f(3.0)`` will be treated -- cgit v0.12