Исходники и презентации

lessons/sync_primitives/lock_granularity/main.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+	"sync"
+)
+
+var mutex sync.Mutex
+var cache map[string]string
+
+func doSomething() {
+	mutex.Lock()
+	item := cache["key"]
+	fmt.Println(item)
+	mutex.Unlock()
+}