constructors return pointer

node/expr/cast/cast_array.go

@@ -9,7 +9,7 @@ type CastArray struct {
 }
 
 func NewCastArray(expr node.Node) node.Node {
-	return CastArray{
+	return &CastArray{
 		Cast{
 			map[string]interface{}{},
 			nil,

node/expr/cast/cast_bool.go

@@ -9,7 +9,7 @@ type CastBool struct {
 }
 
 func NewCastBool(expr node.Node) node.Node {
-	return CastBool{
+	return &CastBool{
 		Cast{
 			map[string]interface{}{},
 			nil,

node/expr/cast/cast_double.go

@@ -9,7 +9,7 @@ type CastDouble struct {
 }
 
 func NewCastDouble(expr node.Node) node.Node {
-	return CastDouble{
+	return &CastDouble{
 		Cast{
 			map[string]interface{}{},
 			nil,

node/expr/cast/cast_int.go

@@ -9,7 +9,7 @@ type CastInt struct {
 }
 
 func NewCastInt(expr node.Node) node.Node {
-	return CastInt{
+	return &CastInt{
 		Cast{
 			map[string]interface{}{},
 			nil,

node/expr/cast/cast_object.go

@@ -9,7 +9,7 @@ type CastObject struct {
 }
 
 func NewCastObject(expr node.Node) node.Node {
-	return CastObject{
+	return &CastObject{
 		Cast{
 			map[string]interface{}{},
 			nil,

node/expr/cast/cast_string.go

@@ -9,7 +9,7 @@ type CastString struct {
 }
 
 func NewCastString(expr node.Node) node.Node {
-	return CastString{
+	return &CastString{
 		Cast{
 			map[string]interface{}{},
 			nil,

node/expr/cast/cast_unset.go

@@ -9,7 +9,7 @@ type CastUnset struct {
 }
 
 func NewCastUnset(expr node.Node) node.Node {
-	return CastUnset{
+	return &CastUnset{
 		Cast{
 			map[string]interface{}{},
 			nil,