Added a docstring to the memoize example4.0.3

1 files changed, 5 insertions, 0 deletions

diff --git a/src/tests/documentation.py b/src/tests/documentation.py
index 766c4c6..8156e3c 100644
--- a/src/tests/documentation.py
+++ b/src/tests/documentation.py
@@ -1233,6 +1233,11 @@ def _memoize(func, *args, **kw):
 
 
 def memoize(f):
+    """
+    A simple memoize implementation. It works by adding a .cache dictionary
+    to the decorated function. The cache will grow indefinitely, so it is
+    your responsability to clear it, if needed.
+    """
     f.cache = {}
     return decorate(f, _memoize)