1 files changed, 30 insertions, 0 deletions
diff --git a/deps/tao_tuple/28626e99/include/tao/seq/head.hpp b/deps/tao_tuple/28626e99/include/tao/seq/head.hpp
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index 0000000000..fcfecf0744
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+++ b/deps/tao_tuple/28626e99/include/tao/seq/head.hpp
@@ -0,0 +1,30 @@
+// The Art of C++ / Sequences
+// Copyright (c) 2015 Daniel Frey
+
+#ifndef TAOCPP_SEQUENCES_INCLUDE_HEAD_HPP
+#define TAOCPP_SEQUENCES_INCLUDE_HEAD_HPP
+
+#include <type_traits>
+
+#include "integer_sequence.hpp"
+
+namespace tao
+{
+  namespace seq
+  {
+    template< typename T, T... Ns >
+    struct head;
+
+    template< typename T, T N, T... Ns >
+    struct head< T, N, Ns... >
+      : std::integral_constant< T, N >
+    {};
+
+    template< typename T, T... Ns >
+    struct head< integer_sequence< T, Ns... > >
+      : head< T, Ns... >
+    {};
+  }
+}
+
+#endif // TAOCPP_SEQUENCES_INCLUDE_HEAD_HPP