Исходники и презентации

lessons/functions/defer_calculating/main.go

@@ -0,0 +1,28 @@
+package main
+
+import "fmt"
+
+// Need to show solution
+
+const (
+	StatusOk    = "ok"
+	StatusError = "error"
+)
+
+func notify(status string) {
+	fmt.Println(status)
+}
+
+func process() {
+	var status string
+	defer func(s string) {
+		notify(s)
+	}(status)
+
+	// processing..
+	status = StatusError
+}
+
+func main() {
+	process()
+}