Исходники и презентации

lessons/garbage_collector/finalizers_any_times/main.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func main() {
+	x := new(int)
+	*x = 100
+
+	runtime.SetFinalizer(x, func(ptr *int) {
+		fmt.Println("finalizer called on addr", ptr, "value is", *ptr)
+	})
+
+	runtime.SetFinalizer(x, func(ptr *int) { // replace with nil
+		fmt.Println("finalizer called on addr", ptr, "value is", *ptr)
+	})
+}