1 files changed, 28 insertions, 0 deletions
diff --git a/model/body.go b/model/body.go
new file mode 100644
index 0000000..b7b4a0c
--- /dev/null
+++ b/model/body.go
@@ -0,0 +1,28 @@
+package model
+
+import (
+	"errors"
+	"fmt"
+)
+
+type Body []any
+
+var ErrInvalidType = errors.New("invalid type")
+
+func (d Body) Execute(v Visitor) error {
+	for _, it := range d {
+		switch it := it.(type) {
+		case *Setting:
+			if err := v.VisitSetting(it.Key, it.Value); err != nil {
+				return err
+			}
+		case *Directive:
+			if err := v.VisitDirective(it.Name, it.Arguments, it.Body); err != nil {
+				return err
+			}
+		default:
+			return fmt.Errorf("%w: %t", ErrInvalidType, it)
+		}
+	}
+	return nil
+}