fix code typo

2016-09-28 23:37:36 +08:00 · 2016-09-28 23:37:36 +08:00 · a4866e3964
parent 49d77fb296
commit a4866e3964
1 changed files with 0 additions and 3 deletions
--- a/ch9/ch9-07.md
+++ b/ch9/ch9-07.md
@ -163,9 +163,6 @@ type Memo struct {

 // Get is concurrency-safe.
 func (memo *Memo) Get(key string) (value interface{}, err error) {
-    res, ok := memo.cache[key]
-    if !ok {
-	res.value, res.err = memo.f(key)
 	memo.cache[key] = res
 	memo.mu.Lock()
 	res, ok := memo.cache[key]