file.h

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#ifndef QB_IO_ASYNC_FILE_H
#define QB_IO_ASYNC_FILE_H
 
#include "../transport/file.h"
#include "io.h"
 
namespace qb::io::async {

template <typename _Derived>
class file
    : public file_watcher<_Derived>
    , qb::io::transport::file {
    using base_t = file_watcher<_Derived>;
    friend base_t;
 
public:
    using transport_io_type = typename qb::io::transport::file::transport_io_type;
 
    using qb::io::transport::file::in;  
    using qb::io::transport::file::out; 
    using qb::io::transport::file::transport; 
 
public:
    explicit file() {
        if constexpr (has_member_Protocol<_Derived>::value) {
            if constexpr (!std::is_void_v<typename _Derived::Protocol>) {
                this->template switch_protocol<typename _Derived::Protocol>(
                    static_cast<_Derived &>(*this));
            }
        }
    }

    inline uint64_t
    ident() noexcept {
        return static_cast<_Derived &>(*this).transport().native_handle();
    }
};
 
} // namespace qb::io::async
 
#endif // QB_IO_ASYNC_FILE_H