Revert "remove external libraries from main branch"protocol-modeling

This reverts commit 0558244645611f314f47e0fa427f7323ce253eaf.

1 files changed, 24 insertions, 0 deletions

diff --git a/include/lib/ArduinoJson/Data/ListNode.hpp b/include/lib/ArduinoJson/Data/ListNode.hpp
new file mode 100644
index 0000000..c090712
--- /dev/null
+++ b/include/lib/ArduinoJson/Data/ListNode.hpp
@@ -0,0 +1,24 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#include <stddef.h>  // for NULL
+
+#include "JsonBufferAllocated.hpp"
+
+namespace ArduinoJson {
+namespace Internals {
+
+// A node for a singly-linked list.
+// Used by List<T> and its iterators.
+template <typename T>
+struct ListNode : public Internals::JsonBufferAllocated {
+  ListNode() throw() : next(NULL) {}
+
+  ListNode<T> *next;
+  T content;
+};
+}
+}