From efa55eb5b3d3a4942789bdf397c3a6d6226475d4 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Mon, 7 Sep 2020 12:57:22 +0200
Subject: Revert "remove external libraries from main branch"

This reverts commit 0558244645611f314f47e0fa427f7323ce253eaf.
---
 include/lib/modernjson/detail/meta/void_t.hpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 include/lib/modernjson/detail/meta/void_t.hpp

(limited to 'include/lib/modernjson/detail/meta/void_t.hpp')

diff --git a/include/lib/modernjson/detail/meta/void_t.hpp b/include/lib/modernjson/detail/meta/void_t.hpp
new file mode 100644
index 0000000..a256f85
--- /dev/null
+++ b/include/lib/modernjson/detail/meta/void_t.hpp
@@ -0,0 +1,13 @@
+#pragma once
+
+namespace nlohmann
+{
+namespace detail
+{
+template <typename ...Ts> struct make_void
+{
+    using type = void;
+};
+template <typename ...Ts> using void_t = typename make_void<Ts...>::type;
+} // namespace detail
+}  // namespace nlohmann
-- 
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