diff --git a/capnpc-go/capnpc-go.go b/capnpc-go/capnpc-go.go
index 1554edc..56a3d83 100644
--- a/capnpc-go/capnpc-go.go
+++ b/capnpc-go/capnpc-go.go
@@ -966,14 +966,25 @@ func (t Type) json(w io.Writer) {
 func (n *node) defineNewStructFunc(w io.Writer) {
 	assert(n.Which() == NODE_STRUCT, "invalid struct node")
 
+	var (
+		datasz = n.Struct().DataWordCount() * 8
+		ptrs   = n.Struct().PointerCount()
+	)
 	fprintf(w, "func New%s(s *C.Segment) %s { return %s(s.NewStruct(%d, %d)) }\n",
-		n.name, n.name, n.name, n.Struct().DataWordCount()*8, n.Struct().PointerCount())
+		n.name, n.name, n.name, datasz, ptrs)
 	fprintf(w, "func NewRoot%s(s *C.Segment) %s { return %s(s.NewRootStruct(%d, %d)) }\n",
-		n.name, n.name, n.name, n.Struct().DataWordCount()*8, n.Struct().PointerCount())
+		n.name, n.name, n.name, datasz, ptrs)
 	fprintf(w, "func AutoNew%s(s *C.Segment) %s { return %s(s.NewStructAR(%d, %d)) }\n",
-		n.name, n.name, n.name, n.Struct().DataWordCount()*8, n.Struct().PointerCount())
+		n.name, n.name, n.name, datasz, ptrs)
 	fprintf(w, "func ReadRoot%s(s *C.Segment) %s { return %s(s.Root(0).ToStruct()) }\n",
 		n.name, n.name, n.name)
+
+	if enabledStructInfo {
+		fprintf(w, "func (s *%s) StructInfo() (int, int) { return %d, %d }\n",
+			n.name, datasz, ptrs)
+		fprintf(w, "func (s *%s) NewP(p C.Struct) *%s {\nv := %s(p)\nreturn &v\n}\n",
+			n.name, n.name, n.name)
+	}
 }
 
 func (n *node) defineStructList(w io.Writer) {
@@ -1015,6 +1026,7 @@ var (
 	disabledCaplitUnarshal = false
 	disabledUtil           = false
 	disabledBase           = false
+	enabledStructInfo      = false
 	ignorePrivateInfoField = false
 	privateInfoField       = map[string]bool{
 		"fbName":        true,
@@ -1041,6 +1053,9 @@ func init() {
 	if disable, err := strconv.ParseBool(os.Getenv("GO_CAPNP_BASE_DISABLE")); err == nil {
 		disabledBase = disable
 	}
+	if enable, err := strconv.ParseBool(os.Getenv("GO_CAPNP_STRUCT_INFO_ENABLE")); err == nil {
+		enabledStructInfo = enable
+	}
 	if disable, err := strconv.ParseBool(os.Getenv("IGNORE_PRIVATE_INFO_FIELD")); err == nil {
 		ignorePrivateInfoField = disable
 	}