FM / hana

/usr/include/boost/hana

Name	Size	Mode	Actions
concept/	-	0755	rm
core/	-	0755	rm
detail/	-	0755	rm
experimental/	-	0755	rm
ext/	-	0755	rm
functional/	-	0755	rm
fwd/	-	0755	rm
accessors.hpp	1513	0644	edit dl rm
adapt_adt.hpp	422	0644	edit dl rm
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adjust.hpp	1698	0644	edit dl rm
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back.hpp	1534	0644	edit dl rm
basic_tuple.hpp	9455	0644	edit dl rm
bool.hpp	9747	0644	edit dl rm
cartesian_product.hpp	3860	0644	edit dl rm
chain.hpp	1488	0644	edit dl rm
comparing.hpp	1222	0644	edit dl rm
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concept.hpp	1301	0644	edit dl rm
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first.hpp	1242	0644	edit dl rm
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group.hpp	5543	0644	edit dl rm
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integral_constant.hpp	389	0644	edit dl rm
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lazy.hpp	7947	0644	edit dl rm
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lexicographical_compare.hpp	4344	0644	edit dl rm
lift.hpp	1500	0644	edit dl rm
map.hpp	22593	0644	edit dl rm
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zip_with.hpp	2292	0644	edit dl rm

Edit: /usr/include/boost/hana/chain.hpp (1488B)

/*!
@file
Defines `boost::hana::chain`.

@copyright Louis Dionne 2013-2017
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_CHAIN_HPP
#define BOOST_HANA_CHAIN_HPP

#include <boost/hana/fwd/chain.hpp>

#include <boost/hana/concept/monad.hpp>
#include <boost/hana/config.hpp>
#include <boost/hana/core/dispatch.hpp>
#include <boost/hana/flatten.hpp>
#include <boost/hana/transform.hpp>

BOOST_HANA_NAMESPACE_BEGIN
    //! @cond
    template <typename Xs, typename F>
    constexpr decltype(auto) chain_t::operator()(Xs&& xs, F&& f) const {
        using M = typename hana::tag_of<Xs>::type;
        using Chain = BOOST_HANA_DISPATCH_IF(chain_impl<M>,
            hana::Monad<M>::value
        );

#ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
        static_assert(hana::Monad<M>::value,
        "hana::chain(xs, f) requires 'xs' to be a Monad");
    #endif

return Chain::apply(static_cast<Xs&&>(xs), static_cast<F&&>(f));
    }
    //! @endcond

template <typename M, bool condition>
    struct chain_impl<M, when<condition>> : default_ {
        template <typename Xs, typename F>
        static constexpr auto apply(Xs&& xs, F&& f) {
            return hana::flatten(hana::transform(static_cast<Xs&&>(xs),
                                                 static_cast<F&&>(f)));
        }
    };
BOOST_HANA_NAMESPACE_END

#endif // !BOOST_HANA_CHAIN_HPP

/*! @file Defines `boost::hana::chain`. @copyright Louis Dionne 2013-2017 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_CHAIN_HPP #define BOOST_HANA_CHAIN_HPP #include #include #include #include #include #include BOOST_HANA_NAMESPACE_BEGIN //! @cond template constexpr decltype(auto) chain_t::operator()(Xs&& xs, F&& f) const { using M = typename hana::tag_of::type; using Chain = BOOST_HANA_DISPATCH_IF(chain_impl, hana::Monad::value ); #ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS static_assert(hana::Monad::value, "hana::chain(xs, f) requires 'xs' to be a Monad"); #endif return Chain::apply(static_cast(xs), static_cast(f)); } //! @endcond template struct chain_impl> : default_ { template static constexpr auto apply(Xs&& xs, F&& f) { return hana::flatten(hana::transform(static_cast(xs), static_cast(f))); } }; BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_CHAIN_HPP