is_other.h

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#pragma once
 
#include "dius/filesystem/query/exists.h"
#include "dius/filesystem/query/is_directory.h"
#include "dius/filesystem/query/is_regular_file.h"
#include "dius/filesystem/query/is_symlink.h"
#include "dius/filesystem/query/status.h"
 
namespace dius::filesystem {
namespace detail {
    struct IsOtherFunction {
        constexpr auto operator()(FileStatus status) const -> bool {
            return exists(status) && !is_regular_file(status) && !is_directory(status) && !is_symlink(status);
        }
 
        auto operator()(di::PathView path) const -> di::Result<bool> { return status(path) % *this; }
    };
}
 
constexpr inline auto is_other = detail::IsOtherFunction {};
}