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[94f52a]: / none.hpp Maximize Restore History

53 lines (41 with data), 987 Bytes

#ifndef CHILON_NONE_HPP
#define CHILON_NONE_HPP

namespace chilon {

namespace detail {

template <bool Answer = false>
struct none {
    template <class T>
    bool operator==(T const& t) const { return Answer; }

    template <class T>
    bool operator!=(T const& t) const { return Answer; }

#ifdef __GXX_EXPERIMENTAL_CXX0X__
    template <class... T>
    bool test(T const&... in) const { return Answer; }
#else
    template <class T>
    bool test(T const& in) const { return Answer; }
#endif
};

}; // end detail namespace


struct none : detail::none<> {
    typedef none value_type;
#ifdef __GXX_EXPERIMENTAL_CXX0X__
    template <class... T>
    none(T const&... in) {}
#else
    template <class T>
    none(T const& in) {}
#endif
};

struct none_true : detail::none<true> {
    typedef none_true value_type;
#ifdef __GXX_EXPERIMENTAL_CXX0X__
    template <class... T>
    none_true(T const&... in) {}
#else
    template <class T>
    none(T const& in) {}
#endif
};

}

#endif

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[94f52a]: / none.hpp Maximize Restore History

53 lines (41 with data), 987 Bytes