diff options
Diffstat (limited to 'Lib/functools.py')
| -rw-r--r-- | Lib/functools.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Lib/functools.py b/Lib/functools.py index f05b106b62..87c7d87438 100644 --- a/Lib/functools.py +++ b/Lib/functools.py @@ -10,7 +10,7 @@ # See C source code for _functools credits/copyright __all__ = ['update_wrapper', 'wraps', 'WRAPPER_ASSIGNMENTS', 'WRAPPER_UPDATES', - 'total_ordering', 'cmp_to_key', 'lru_cache', 'reduce', + 'total_ordering', 'cache', 'cmp_to_key', 'lru_cache', 'reduce', 'TopologicalSorter', 'CycleError', 'partial', 'partialmethod', 'singledispatch', 'singledispatchmethod', 'cached_property'] @@ -889,6 +889,15 @@ except ImportError: ################################################################################ +### cache -- simplified access to the infinity cache +################################################################################ + +def cache(user_function, /): + 'Simple lightweight unbounded cache. Sometimes called "memoize".' + return lru_cache(maxsize=None)(user_function) + + +################################################################################ ### singledispatch() - single-dispatch generic function decorator ################################################################################ |