kpr/io/io_option.hpp

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• Last update: 2023-06-23 11:13:58+09:00
• Include: #include "kpr/io/io_option.hpp"

Required by

• kpr/all.hpp
• kpr/all/all.hpp
• kpr/io/in.hpp
• kpr/io/io.hpp
• kpr/io/out.hpp
• kpr/math/BinomMod.hpp
• kpr/math/DynamicModInt.hpp
• kpr/math/ModInt.hpp
• kpr/math/factorize.hpp
• kpr/math/is_prime.hpp
• kpr/math/math.hpp
• kpr/template/YesNo.hpp
• kpr/template/alias.hpp
• kpr/template/io_macro.hpp
• kpr/template/macro.hpp
• kpr/template/named_tuple_macro.hpp
• kpr/template/template.hpp

Verified with

• verify/aoj/WeightedUnionFind.test.cpp
• verify/yosupo/factorize.test.cpp
• verify/yosupo/many_aplusb.test.cpp
• verify/yosupo/point_add_range_sum.test.cpp
• verify/yosupo/point_set_range_composite.test.cpp
• verify/yosupo/unionfind.test.cpp

Code

#pragma once
#include <cstddef>
#include <tuple>
#include <utility>

namespace kpr {
    template<class Tuple, std::size_t idx>
    struct Indexed {
        Tuple args_tuple;
        template<class... Args>
        constexpr Indexed(Args&&... args) noexcept: args_tuple{std::forward<Args>(args)...} {}
    };

    template<std::size_t i, class... Args>
    constexpr auto indexed(Args&&... args) noexcept {
        return Indexed<std::tuple<Args...>, i>{std::forward<Args>(args)...};
    }

    template<class... Args>
    constexpr auto idx1(Args&&... args) noexcept {
        return indexed<1>(std::forward<Args>(args)...);
    }

    template<class Tuple, bool... seps>
    struct SepWith {
        Tuple args_tuple;
        template<class... Args>
        constexpr SepWith(Args&&... args) noexcept: args_tuple{std::forward<Args>(args)...} {}
    };

    template<bool... seps, class... Args>
    constexpr auto sep_with(Args&&... args) noexcept {
        return SepWith<std::tuple<Args...>, seps...>{std::forward<Args>(args)...};
    }
} // namespace kpr

#line 2 "kpr/io/io_option.hpp"
#include <cstddef>
#include <tuple>
#include <utility>

namespace kpr {
    template<class Tuple, std::size_t idx>
    struct Indexed {
        Tuple args_tuple;
        template<class... Args>
        constexpr Indexed(Args&&... args) noexcept: args_tuple{std::forward<Args>(args)...} {}
    };

    template<std::size_t i, class... Args>
    constexpr auto indexed(Args&&... args) noexcept {
        return Indexed<std::tuple<Args...>, i>{std::forward<Args>(args)...};
    }

    template<class... Args>
    constexpr auto idx1(Args&&... args) noexcept {
        return indexed<1>(std::forward<Args>(args)...);
    }

    template<class Tuple, bool... seps>
    struct SepWith {
        Tuple args_tuple;
        template<class... Args>
        constexpr SepWith(Args&&... args) noexcept: args_tuple{std::forward<Args>(args)...} {}
    };

    template<bool... seps, class... Args>
    constexpr auto sep_with(Args&&... args) noexcept {
        return SepWith<std::tuple<Args...>, seps...>{std::forward<Args>(args)...};
    }
} // namespace kpr

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