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diff --git a/deps/tao_tuple/28626e99/include/tao/seq/integer_sequence.hpp b/deps/tao_tuple/28626e99/include/tao/seq/integer_sequence.hpp
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+++ b/deps/tao_tuple/28626e99/include/tao/seq/integer_sequence.hpp
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+// The Art of C++ / Sequences
+// Copyright (c) 2015 Daniel Frey
+
+#ifndef TAOCPP_SEQUENCES_INCLUDE_INTEGER_SEQUENCE_HPP
+#define TAOCPP_SEQUENCES_INCLUDE_INTEGER_SEQUENCE_HPP
+
+#include <cstddef>
+#include <utility>
+
+#include "config.hpp"
+
+namespace tao
+{
+  namespace seq
+  {
+
+#ifdef TAOCPP_USE_STD_INTEGER_SEQUENCE
+
+    using std::integer_sequence;
+    using std::index_sequence;
+
+#else
+
+    template< typename T, T... Ns >
+    struct integer_sequence
+    {
+      using value_type = T;
+
+      static constexpr std::size_t size() noexcept
+      {
+        return sizeof...( Ns );
+      }
+    };
+
+    template< std::size_t... Ns >
+    using index_sequence = integer_sequence< std::size_t, Ns... >;
+
+#endif
+
+  }
+}
+
+#endif // TAOCPP_SEQUENCES_INCLUDE_INTEGER_SEQUENCE_HPP