From 9d2ee6ce6341b38c52d1c16cac602d41772f8696 Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <github@benoitblanchon.fr>
Date: Fri, 7 Nov 2014 11:45:28 +0100
Subject: [PATCH] Fixed creation of JsonVariant::_invalid

---
 include/ArduinoJson/JsonVariant.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/ArduinoJson/JsonVariant.hpp b/include/ArduinoJson/JsonVariant.hpp
index f59a3ab9..3f49b0fa 100644
--- a/include/ArduinoJson/JsonVariant.hpp
+++ b/include/ArduinoJson/JsonVariant.hpp
@@ -166,6 +166,9 @@ class JsonVariant : public Internals::JsonPrintable<JsonVariant> {
   JsonVariant &operator[](const char *key);
 
  private:
+  // Special constructor used only to create _invalid.
+  JsonVariant(Internals::JsonVariantType type) : _type(type) {}
+
   // Helper for interger cast operators
   template <typename T>
   T cast_long_to() const {