cjrd / allocate Goto Github PK

func Test_xxx(t *testing.T) {
	type Node struct {
		ID   int
		Next *Node
	}
	var node Node
	err := allocate.Zero(&node)
	if err != nil {
		panic(err)
	}
	t.Logf("%+v", node.Next)
}

func main() {
    // topStruct is a pointer to TopLevelStruct
    topStruct := new(TopLevelStruct)
    fmt.Printf("before using allocate.Zero: %v\n", topStruct)

    // try to allocate.Zero a pointer to pointer
    // should be: allocate.Zero(topStruct)
    allocate.Zero(&topStruct)
    fmt.Printf("post allocate.Zero: %v\n", topStruct)
    fmt.Printf("topStruct.MyEmbeddedStruct.SomeInt==%d\n", topStruct.MyEmbeddedStruct.SomeInt)
}

type MyPbStruct struct {
	state         protoimpl.MessageState
	sizeCache     protoimpl.SizeCache
	unknownFields protoimpl.UnknownFields

	MyInt int32 `protobuf:"varint,1,opt,name=my_int,json=friendRuid,proto3" json:"my_int,omitempty"`
}

st := new(MyPbStruct)
err := allocate.Zero(st)
if err != nil{
	log.Error(err)
}