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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any.hpp	1327	0644	edit dl rm
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assert.hpp	16325	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
config.hpp	7152	0644	edit dl rm
contains.hpp	1560	0644	edit dl rm
core.hpp	610	0644	edit dl rm
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first.hpp	1242	0644	edit dl rm
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functional.hpp	1186	0644	edit dl rm
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group.hpp	5543	0644	edit dl rm
hash.hpp	3572	0644	edit dl rm
if.hpp	1834	0644	edit dl rm
index_if.hpp	3485	0644	edit dl rm
insert.hpp	1620	0644	edit dl rm
insert_range.hpp	2171	0644	edit dl rm
integral_constant.hpp	389	0644	edit dl rm
intersection.hpp	1100	0644	edit dl rm
intersperse.hpp	2586	0644	edit dl rm
is_disjoint.hpp	2040	0644	edit dl rm
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keys.hpp	1307	0644	edit dl rm
lazy.hpp	7947	0644	edit dl rm
length.hpp	1554	0644	edit dl rm
less.hpp	5322	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
max.hpp	1759	0644	edit dl rm
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members.hpp	1970	0644	edit dl rm
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mod.hpp	3804	0644	edit dl rm
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mult.hpp	3747	0644	edit dl rm
negate.hpp	1857	0644	edit dl rm
none.hpp	1340	0644	edit dl rm
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one.hpp	2432	0644	edit dl rm
optional.hpp	15422	0644	edit dl rm
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partition.hpp	4199	0644	edit dl rm
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repeat.hpp	1793	0644	edit dl rm
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reverse.hpp	1802	0644	edit dl rm
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second.hpp	1253	0644	edit dl rm
set.hpp	11854	0644	edit dl rm
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span.hpp	2629	0644	edit dl rm
string.hpp	12310	0644	edit dl rm
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union.hpp	1030	0644	edit dl rm
unique.hpp	2361	0644	edit dl rm
unpack.hpp	5175	0644	edit dl rm
value.hpp	1561	0644	edit dl rm
version.hpp	2032	0644	edit dl rm
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zero.hpp	2454	0644	edit dl rm
zip.hpp	1462	0644	edit dl rm
zip_shortest.hpp	1604	0644	edit dl rm
zip_shortest_with.hpp	2116	0644	edit dl rm
zip_with.hpp	2292	0644	edit dl rm

Edit: /usr/include/boost/hana/intersperse.hpp (2586B)

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

@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_INTERSPERSE_HPP
#define BOOST_HANA_INTERSPERSE_HPP

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

#include <boost/hana/at.hpp>
#include <boost/hana/bool.hpp>
#include <boost/hana/concept/sequence.hpp>
#include <boost/hana/config.hpp>
#include <boost/hana/core/dispatch.hpp>
#include <boost/hana/core/make.hpp>
#include <boost/hana/length.hpp>

#include <cstddef>
#include <utility>

BOOST_HANA_NAMESPACE_BEGIN
    //! @cond
    template <typename Xs, typename Z>
    constexpr auto intersperse_t::operator()(Xs&& xs, Z&& z) const {
        using S = typename hana::tag_of<Xs>::type;
        using Intersperse = BOOST_HANA_DISPATCH_IF(intersperse_impl<S>,
            hana::Sequence<S>::value
        );

#ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
        static_assert(hana::Sequence<S>::value,
        "hana::intersperse(xs, z) requires 'xs' to be a Sequence");
    #endif

return Intersperse::apply(static_cast<Xs&&>(xs), static_cast<Z&&>(z));
    }
    //! @endcond

template <typename S, bool condition>
    struct intersperse_impl<S, when<condition>> : default_ {
        template <std::size_t i, typename Xs, typename Z>
        static constexpr decltype(auto)
        pick(Xs&&, Z&& z, hana::false_ /* odd index */)
        { return static_cast<Z&&>(z); }

template <std::size_t i, typename Xs, typename Z>
        static constexpr decltype(auto)
        pick(Xs&& xs, Z&&, hana::true_ /* even index */)
        { return hana::at_c<(i + 1) / 2>(static_cast<Xs&&>(xs)); }

template <typename Xs, typename Z, std::size_t ...i>
        static constexpr auto
        intersperse_helper(Xs&& xs, Z&& z, std::index_sequence<i...>) {
            return hana::make<S>(
                pick<i>(static_cast<Xs&&>(xs), static_cast<Z&&>(z),
                        hana::bool_c<(i % 2 == 0)>)...
            );
        }

template <typename Xs, typename Z>
        static constexpr auto apply(Xs&& xs, Z&& z) {
            constexpr std::size_t size = decltype(hana::length(xs))::value;
            constexpr std::size_t new_size = size == 0 ? 0 : (size * 2) - 1;
            return intersperse_helper(static_cast<Xs&&>(xs), static_cast<Z&&>(z),
                                      std::make_index_sequence<new_size>{});
        }
    };
BOOST_HANA_NAMESPACE_END

#endif // !BOOST_HANA_INTERSPERSE_HPP

/*! @file Defines `boost::hana::intersperse`. @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_INTERSPERSE_HPP #define BOOST_HANA_INTERSPERSE_HPP #include #include #include #include #include #include #include #include #include #include BOOST_HANA_NAMESPACE_BEGIN //! @cond template constexpr auto intersperse_t::operator()(Xs&& xs, Z&& z) const { using S = typename hana::tag_of::type; using Intersperse = BOOST_HANA_DISPATCH_IF(intersperse_impl, hana::Sequence::value ); #ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS static_assert(hana::Sequence::value, "hana::intersperse(xs, z) requires 'xs' to be a Sequence"); #endif return Intersperse::apply(static_cast(xs), static_cast(z)); } //! @endcond template struct intersperse_impl> : default_ { template static constexpr decltype(auto) pick(Xs&&, Z&& z, hana::false_ /* odd index */) { return static_cast(z); } template static constexpr decltype(auto) pick(Xs&& xs, Z&&, hana::true_ /* even index */) { return hana::at_c<(i + 1) / 2>(static_cast(xs)); } template static constexpr auto intersperse_helper(Xs&& xs, Z&& z, std::index_sequence) { return hana::make( pick(static_cast(xs), static_cast(z), hana::bool_c<(i % 2 == 0)>)... ); } template static constexpr auto apply(Xs&& xs, Z&& z) { constexpr std::size_t size = decltype(hana::length(xs))::value; constexpr std::size_t new_size = size == 0 ? 0 : (size * 2) - 1; return intersperse_helper(static_cast(xs), static_cast(z), std::make_index_sequence{}); } }; BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_INTERSPERSE_HPP