1 files changed, 5 insertions, 0 deletions
diff --git a/include/kpl/type.h b/include/kpl/type.h
index b18f6ae..b068080 100644
--- a/include/kpl/type.h
+++ b/include/kpl/type.h
@@ -27,3 +27,8 @@ typedef union {
     double f64;
     void *ptr;
 } kpl_value;
+
+typedef struct {
+    kpl_value value;
+    int64_t tag;
+} kpl_result;