added set method

1 files changed, 11 insertions, 0 deletions

diff --git a/model/stringNode.go b/model/stringNode.go
index afa4023..b8dfcfb 100644
--- a/model/stringNode.go
+++ b/model/stringNode.go
@@ -1,5 +1,7 @@
 package model
 
+import "fmt"
+
 type StringNode struct {
 	Value string
 }
@@ -11,3 +13,12 @@ func (n StringNode) Type() NodeType {
 func (n *StringNode) MarshalJSON() ([]byte, error) {
 	return []byte(`"` + n.Value + `"`), nil
 }
+
+func (n *StringNode) Set(v any) error {
+	val, ok := v.(string)
+	if !ok {
+		return fmt.Errorf("%v is not string", v)
+	}
+	n.Value = val
+	return nil
+}