v0.0.264 added Valid() to id-gen

bfcodegen/id-generate.go

@@ -209,6 +209,13 @@ func fmtIDOutput(cs string, ids []IDDef, pkgname string) string {
 
 		str += "" + "\n"
 
+		str += "func (i " + iddef.Name + ") Valid() bool {" + "\n"
+		str += "	_, err := primitive.ObjectIDFromHex(string(i))" + "\n"
+		str += "	return err == nil" + "\n"
+		str += "}" + "\n"
+
+		str += "" + "\n"
+
 		if anyDef != nil {
 			str += "func (i " + iddef.Name + ") AsAny() " + anyDef.Name + " {" + "\n"
 			str += "	return " + anyDef.Name + "(i)" + "\n"