in_out_result.h

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#pragma once
 
#include "di/meta/operations.h"
#include "di/util/move.h"
 
namespace di::container {
template<typename In, typename Out>
struct InOutResult {
    template<typename I, typename O>
    requires(concepts::ConvertibleTo<In const&, I> && concepts::ConvertibleTo<Out const&, O>)
    constexpr operator InOutResult<I, O>() const& {
        return { in, out };
    }
 
    template<typename I, typename O>
    requires(concepts::ConvertibleTo<In, I> && concepts::ConvertibleTo<Out, O>)
    constexpr operator InOutResult<I, O>() && {
        return { util::move(in), util::move(out) };
    }
 
    [[no_unique_address]] In in;
    [[no_unique_address]] Out out;
};
}