From 1ea46958a0356c3b47f7acbac854c3c2a55cb13c Mon Sep 17 00:00:00 2001
From: Ekaitz Zarraga <ekaitz@elenq.tech>
Date: Fri, 22 May 2020 12:02:58 +0200
Subject: [PATCH] Add possible common error

---
 lib/chibi/json.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/chibi/json.c b/lib/chibi/json.c
index a3535423..1626f61c 100644
--- a/lib/chibi/json.c
+++ b/lib/chibi/json.c
@@ -516,6 +516,8 @@ sexp unparse_json (sexp ctx, sexp self, sexp obj) {
     res = sexp_c_string(ctx, "true", -1);
   } else if (obj == SEXP_NULL) {
     res = sexp_c_string(ctx, "null", -1);
+  } else if (sexp_pairp(obj)) {
+    res = sexp_json_unparse_exception(ctx, self, "unable to encode elemente: key-value pair out of object", obj);
   } else {
     res = sexp_json_unparse_exception(ctx, self, "unable to encode element", obj);
   }