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+/*!
+@file
+Forward declares `boost::hana::less_equal`.
+
+@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_FWD_LESS_EQUAL_HPP
+#define BOOST_HANA_FWD_LESS_EQUAL_HPP
+
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/when.hpp>
+#include <boost/hana/detail/nested_than_fwd.hpp>
+
+
+BOOST_HANA_NAMESPACE_BEGIN
+ //! Returns a `Logical` representing whether `x` is less than or
+ //! equal to `y`.
+ //! @ingroup group-Orderable
+ //!
+ //!
+ //! Signature
+ //! ---------
+ //! Given a Logical `Bool` and two Orderables `A` and `B` with a common
+ //! embedding, the signature is
+ //! @f$ \mathrm{less\_equal} : A \times B \to Bool @f$.
+ //!
+ //! @param x, y
+ //! Two objects to compare.
+ //!
+ //!
+ //! Example
+ //! -------
+ //! @include example/less_equal.cpp
+#ifdef BOOST_HANA_DOXYGEN_INVOKED
+ constexpr auto less_equal = [](auto&& x, auto&& y) {
+ return tag-dispatched;
+ };
+#else
+ template <typename T, typename U, typename = void>
+ struct less_equal_impl : less_equal_impl<T, U, when<true>> { };
+
+ struct less_equal_t : detail::nested_than<less_equal_t> {
+ template <typename X, typename Y>
+ constexpr auto operator()(X&& x, Y&& y) const;
+ };
+
+ constexpr less_equal_t less_equal{};
+#endif
+BOOST_HANA_NAMESPACE_END
+
+#endif // !BOOST_HANA_FWD_LESS_EQUAL_HPP