Renamed folder include/ to src/ (issue #461)

src/ArduinoJson/StringTraits/StringTraits.hpp

@@ -0,0 +1,45 @@
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+//
+// Arduino JSON library
+// https://bblanchon.github.io/ArduinoJson/
+// If you like this project, please add a star!
+
+#pragma once
+
+#include "../Configuration.hpp"
+
+namespace ArduinoJson {
+namespace Internals {
+
+template <typename TString, typename Enable = void>
+struct StringTraits {};
+
+template <typename TString>
+struct StringTraits<const TString, void> : StringTraits<TString> {};
+
+template <typename TString>
+struct StringTraits<TString&, void> : StringTraits<TString> {};
+}
+}
+
+#include "ArduinoStream.hpp"
+#include "CharPointer.hpp"
+#include "FlashString.hpp"
+#include "StdStream.hpp"
+#include "StdString.hpp"
+
+namespace ArduinoJson {
+namespace TypeTraits {
+template <typename T, typename Enable = void>
+struct IsString {
+  static const bool value = false;
+};
+
+template <typename T>
+struct IsString<T, typename TypeTraits::EnableIf<
+                       Internals::StringTraits<T>::has_equals>::type> {
+  static const bool value = Internals::StringTraits<T>::has_equals;
+};
+}
+}