Expose memoized function's memos

Add a `memo` property to the return value of `async.memoize` (the
memoized function) to expose the collection of already-calculated
values.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/async.js b/lib/async.js
index 7cc4f5e..b708bc9 100644
--- a/lib/async.js
+++ b/lib/async.js
@@ -679,6 +679,7 @@
                 }]));
             }
         };
+        memoized.memo = memo;
         memoized.unmemoized = fn;
         return memoized;
     };