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diff --git a/boost/hana/insert_range.hpp b/boost/hana/insert_range.hpp
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+/*!
+@file
+Defines `boost::hana::insert_range`.
+
+@copyright Louis Dionne 2013-2016
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+ */
+
+#ifndef BOOST_HANA_INSERT_RANGE_HPP
+#define BOOST_HANA_INSERT_RANGE_HPP
+
+#include <boost/hana/fwd/insert_range.hpp>
+
+#include <boost/hana/concat.hpp>
+#include <boost/hana/concept/foldable.hpp>
+#include <boost/hana/concept/sequence.hpp>
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/to.hpp>
+#include <boost/hana/core/dispatch.hpp>
+#include <boost/hana/drop_front.hpp>
+#include <boost/hana/take_front.hpp>
+
+
+BOOST_HANA_NAMESPACE_BEGIN
+    //! @cond
+    template <typename Xs, typename N, typename Elements>
+    constexpr auto insert_range_t::operator()(Xs&& xs, N&& n, Elements&& elements) const {
+        using S = typename hana::tag_of<Xs>::type;
+        using InsertRange = BOOST_HANA_DISPATCH_IF(insert_range_impl<S>,
+            hana::Sequence<Xs>::value &&
+            hana::Foldable<Elements>::value
+        );
+
+    #ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
+        static_assert(hana::Sequence<Xs>::value,
+        "hana::insert_range(xs, n, elements) requires 'xs' to be a Sequence");
+
+        static_assert(hana::Foldable<Elements>::value,
+        "hana::insert_range(xs, n, elements) requires 'elements' to be a Foldable");
+    #endif
+
+        return InsertRange::apply(static_cast<Xs&&>(xs),
+                                  static_cast<N&&>(n),
+                                  static_cast<Elements&&>(elements));
+    }
+    //! @endcond
+
+    template <typename S, bool condition>
+    struct insert_range_impl<S, when<condition>> {
+        template <typename Xs, typename N, typename Elements>
+        static constexpr auto apply(Xs&& xs, N const& n, Elements&& e) {
+            return hana::concat(
+                    hana::concat(
+                        hana::take_front(xs, n),
+                        hana::to<S>(static_cast<Elements&&>(e))
+                    ),
+                    hana::drop_front(xs, n)
+                );
+        }
+    };
+BOOST_HANA_NAMESPACE_END
+
+#endif // !BOOST_HANA_INSERT_RANGE_HPP