Исходники и презентации

lessons/sync_primitives/defer_with_mutex/main.go

@@ -0,0 +1,21 @@
+package main
+
+import "sync"
+
+// Need to show solution
+
+var mutex sync.Mutex
+
+func operation() {}
+
+func doSomething() {
+	mutex.Lock()
+	operation()
+	mutex.Unlock()
+
+	// some long operation
+
+	mutex.Lock()
+	operation()
+	mutex.Unlock()
+}