Исходники и презентации

lessons/sync_primitives/defer_with_panic/main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"log"
+	"sync"
+)
+
+var mutex sync.Mutex
+
+func functionWithPanic() {
+	panic("error")
+}
+
+func handle1() {
+	defer func() {
+		if err := recover(); err != nil {
+			log.Println("recovered")
+		}
+	}()
+
+	mutex.Lock()
+	defer mutex.Unlock()
+
+	functionWithPanic()
+}
+
+func handle2() {
+	defer func() {
+		if err := recover(); err != nil {
+			log.Println("recovered")
+		}
+	}()
+
+	mutex.Lock()
+	functionWithPanic()
+	mutex.Unlock()
+}
+
+func main() {
+	handle1()
+	handle2()
+}