From cee889bd5865956c738ae0b03063e7c6be426629 Mon Sep 17 00:00:00 2001
From: Colin Axner <colinaxner@berkeley.edu>
Date: Mon, 23 Nov 2020 15:36:27 +0100
Subject: [PATCH] Add Reset func to memo

Add a new function Reset to memo to forcibly reset the cache
---
 memo/memo.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/memo/memo.go b/memo/memo.go
index a31c8be..893bc79 100644
--- a/memo/memo.go
+++ b/memo/memo.go
@@ -67,3 +67,12 @@ func (memo *Memo) Get() (value interface{}, err error) {
 	}
 	return memo.cache.res.value, memo.cache.res.err
 }
+
+// Reset forcibly resets the cache to nil.
+func (memo *Memo) Reset() {
+	defer memo.mu.Unlock()
+	memo.mu.Lock()
+
+	memo.cache = nil
+	memo.lastCache = time.Now()
+}