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
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bool.hpp	9747	0644	edit dl rm
cartesian_product.hpp	3860	0644	edit dl rm
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zip_with.hpp	2292	0644	edit dl rm

Edit: /usr/include/boost/hana/take_while.hpp (1776B)

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

@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_TAKE_WHILE_HPP
#define BOOST_HANA_TAKE_WHILE_HPP

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

#include <boost/hana/concept/sequence.hpp>
#include <boost/hana/config.hpp>
#include <boost/hana/core/dispatch.hpp>
#include <boost/hana/detail/first_unsatisfied_index.hpp>
#include <boost/hana/take_front.hpp>
#include <boost/hana/unpack.hpp>

BOOST_HANA_NAMESPACE_BEGIN
    //! @cond
    template <typename Xs, typename Pred>
    constexpr auto take_while_t::operator()(Xs&& xs, Pred&& pred) const {
        using S = typename hana::tag_of<Xs>::type;
        using TakeWhile = BOOST_HANA_DISPATCH_IF(take_while_impl<S>,
            hana::Sequence<S>::value
        );

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

return TakeWhile::apply(static_cast<Xs&&>(xs),
                                static_cast<Pred&&>(pred));
    }
    //! @endcond

template <typename S, bool condition>
    struct take_while_impl<S, when<condition>> : default_ {
        template <typename Xs, typename Pred>
        static constexpr auto apply(Xs&& xs, Pred&&) {
            using FirstUnsatisfied = decltype(
                hana::unpack(static_cast<Xs&&>(xs),
                             detail::first_unsatisfied_index<Pred&&>{})
            );
            return hana::take_front(static_cast<Xs&&>(xs), FirstUnsatisfied{});
        }
    };
BOOST_HANA_NAMESPACE_END

#endif // !BOOST_HANA_TAKE_WHILE_HPP

/*! @file Defines `boost::hana::take_while`. @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_TAKE_WHILE_HPP #define BOOST_HANA_TAKE_WHILE_HPP #include #include #include #include #include #include #include BOOST_HANA_NAMESPACE_BEGIN //! @cond template constexpr auto take_while_t::operator()(Xs&& xs, Pred&& pred) const { using S = typename hana::tag_of::type; using TakeWhile = BOOST_HANA_DISPATCH_IF(take_while_impl, hana::Sequence::value ); #ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS static_assert(hana::Sequence::value, "hana::take_while(xs, pred) requires 'xs' to be a Sequence"); #endif return TakeWhile::apply(static_cast(xs), static_cast(pred)); } //! @endcond template struct take_while_impl> : default_ { template static constexpr auto apply(Xs&& xs, Pred&&) { using FirstUnsatisfied = decltype( hana::unpack(static_cast(xs), detail::first_unsatisfied_index{}) ); return hana::take_front(static_cast(xs), FirstUnsatisfied{}); } }; BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_TAKE_WHILE_HPP