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
adapt_struct.hpp	437	0644	edit dl rm
adjust.hpp	1698	0644	edit dl rm
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all.hpp	1327	0644	edit dl rm
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any.hpp	1327	0644	edit dl rm
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append.hpp	2357	0644	edit dl rm
assert.hpp	16325	0644	edit dl rm
at.hpp	1659	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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cycle.hpp	4275	0644	edit dl rm
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eval.hpp	1798	0644	edit dl rm
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extend.hpp	1498	0644	edit dl rm
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find.hpp	1732	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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greater.hpp	2401	0644	edit dl rm
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group.hpp	5543	0644	edit dl rm
hash.hpp	3572	0644	edit dl rm
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insert.hpp	1620	0644	edit dl rm
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integral_constant.hpp	389	0644	edit dl rm
intersection.hpp	1100	0644	edit dl rm
intersperse.hpp	2586	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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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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replicate.hpp	2282	0644	edit dl rm
reverse.hpp	1802	0644	edit dl rm
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scan_left.hpp	5060	0644	edit dl rm
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second.hpp	1253	0644	edit dl rm
set.hpp	11854	0644	edit dl rm
size.hpp	375	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/keys.hpp (1307B)

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

@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_KEYS_HPP
#define BOOST_HANA_KEYS_HPP

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

#include <boost/hana/accessors.hpp>
#include <boost/hana/concept/struct.hpp>
#include <boost/hana/config.hpp>
#include <boost/hana/core/dispatch.hpp>
#include <boost/hana/first.hpp>
#include <boost/hana/transform.hpp>

BOOST_HANA_NAMESPACE_BEGIN
    //! @cond
    template <typename Map>
    constexpr auto keys_t::operator()(Map&& map) const {
        return keys_impl<typename hana::tag_of<Map>::type>::apply(
            static_cast<Map&&>(map)
        );
    }
    //! @endcond

template <typename T, bool condition>
    struct keys_impl<T, when<condition>> : default_ {
        template <typename ...Args>
        static constexpr auto apply(Args&& ...) = delete;
    };

template <typename S>
    struct keys_impl<S, when<hana::Struct<S>::value>> {
        template <typename Object>
        static constexpr auto apply(Object const&) {
            return hana::transform(hana::accessors<S>(), hana::first);
        }
    };
BOOST_HANA_NAMESPACE_END

#endif // !BOOST_HANA_KEYS_HPP

/*! @file Defines `boost::hana::keys`. @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_KEYS_HPP #define BOOST_HANA_KEYS_HPP #include #include #include #include #include #include #include BOOST_HANA_NAMESPACE_BEGIN //! @cond template constexpr auto keys_t::operator()(Map&& map) const { return keys_impl::type>::apply( static_cast(map) ); } //! @endcond template struct keys_impl> : default_ { template static constexpr auto apply(Args&& ...) = delete; }; template struct keys_impl::value>> { template static constexpr auto apply(Object const&) { return hana::transform(hana::accessors~~(), hana::first); } }; BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_KEYS_HPP~~