Исходники и презентации

lessons/generics_and_reflection/private_fields_2/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+	"unsafe"
+)
+
+type Data struct {
+	value string
+}
+
+func main() {
+	data := Data{
+		value: "it's a secret",
+	}
+
+	field := reflect.ValueOf(&data).Elem().FieldByName("value")
+	pointer := unsafe.Pointer(field.UnsafeAddr())
+	strPtr := (*string)(pointer)
+
+	*strPtr = "it's not a secret"
+	fmt.Println(data.value)
+}