mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 08:34:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

GH-93179: Document the thread safety of functools.lru_cache (GH-95970)

Browse source
This commit is contained in:
Raymond Hettinger 2022-08-18 17:38:49 -05:00 • committed by GitHub
parent 214eb2cce5
commit ba4bb7e464
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Doc/library/functools.rst
View file

@ -49,6 +49,9 @@ The :mod:`functools` module defines the following functions:
>>> factorial(12) # makes two new recursive calls, the other 10 are cached
479001600
The cache is threadsafe so the wrapped function can be used in multiple
threads.
.. versionadded:: 3.9
@ -140,6 +143,9 @@ The :mod:`functools` module defines the following functions:
*maxsize* most recent calls. It can save time when an expensive or I/O bound
function is periodically called with the same arguments.
The cache is threadsafe so the wrapped function can be used in multiple
threads.
Since a dictionary is used to cache results, the positional and keyword
arguments to the function must be hashable.