add upstream 10.15

1 files changed, 3 insertions, 3 deletions

diff --git a/zen/json.h b/zen/json.h
index 374a3f14..9b85ccb9 100644
--- a/zen/json.h
+++ b/zen/json.h
@@ -104,10 +104,10 @@ std::string jsonEscape(const std::string& str)
 
         else if (static_cast<unsigned char>(c) < 32)
         {
-            const auto hexDigits = hexify(c);
+			const auto [high, low] = hexify(c);
             output += "\\u00";
-            output += hexDigits.first;
-            output += hexDigits.second;
+            output += high;
+            output += low;
         }
         else
             output += c;