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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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
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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
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integral_constant.hpp	389	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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unique.hpp	2361	0644	edit dl rm
unpack.hpp	5175	0644	edit dl rm
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zip_shortest.hpp	1604	0644	edit dl rm
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zip_with.hpp	2292	0644	edit dl rm

Edit: /usr/include/boost/hana/or.hpp (1860B)

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

@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_OR_HPP
#define BOOST_HANA_OR_HPP

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

#include <boost/hana/concept/logical.hpp>
#include <boost/hana/config.hpp>
#include <boost/hana/core/dispatch.hpp>
#include <boost/hana/detail/variadic/foldl1.hpp>
#include <boost/hana/if.hpp>

BOOST_HANA_NAMESPACE_BEGIN
    //! @cond
    template <typename X, typename Y>
    constexpr decltype(auto) or_t::operator()(X&& x, Y&& y) const {
        using Bool = typename hana::tag_of<X>::type;
        using Or = BOOST_HANA_DISPATCH_IF(or_impl<Bool>,
            hana::Logical<Bool>::value
        );

#ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS
        static_assert(hana::Logical<Bool>::value,
        "hana::or_(x, y) requires 'x' to be a Logical");
    #endif

return Or::apply(static_cast<X&&>(x), static_cast<Y&&>(y));
    }

template <typename X, typename ...Y>
    constexpr decltype(auto) or_t::operator()(X&& x, Y&& ...y) const {
        return detail::variadic::foldl1(
            *this,
            static_cast<X&&>(x),
            static_cast<Y&&>(y)...
        );
    }
    //! @endcond

template <typename L, bool condition>
    struct or_impl<L, when<condition>> : hana::default_ {
        template <typename X, typename Y>
        static constexpr decltype(auto) apply(X&& x, Y&& y) {
            //! @todo How to forward `x` here? Since the arguments to `if_`
            //! can be evaluated in any order, we have to be careful not to
            //! use `x` in a moved-from state.
            return hana::if_(x, x, static_cast<Y&&>(y));
        }
    };
BOOST_HANA_NAMESPACE_END

#endif // !BOOST_HANA_OR_HPP

/*! @file Defines `boost::hana::or_`. @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_OR_HPP #define BOOST_HANA_OR_HPP #include #include #include #include #include #include BOOST_HANA_NAMESPACE_BEGIN //! @cond template constexpr decltype(auto) or_t::operator()(X&& x, Y&& y) const { using Bool = typename hana::tag_of::type; using Or = BOOST_HANA_DISPATCH_IF(or_impl, hana::Logical::value ); #ifndef BOOST_HANA_CONFIG_DISABLE_CONCEPT_CHECKS static_assert(hana::Logical::value, "hana::or_(x, y) requires 'x' to be a Logical"); #endif return Or::apply(static_cast(x), static_cast(y)); } template constexpr decltype(auto) or_t::operator()(X&& x, Y&& ...y) const { return detail::variadic::foldl1( *this, static_cast(x), static_cast(y)... ); } //! @endcond template struct or_impl> : hana::default_ { template static constexpr decltype(auto) apply(X&& x, Y&& y) { //! @todo How to forward `x` here? Since the arguments to `if_` //! can be evaluated in any order, we have to be careful not to //! use `x` in a moved-from state. return hana::if_(x, x, static_cast(y)); } }; BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_OR_HPP