関連ワード:  c++ unique_ptr raw pointer    c++ unique_ptr get raw pointer    c++ unique_ptr vs raw pointer    c++ create unique_ptr from raw pointer    c++ convert unique_ptr to raw pointer    c++ assign unique_ptr to raw pointer    c++ initialize unique_ptr with raw pointer    c++ pass unique_ptr as raw pointer    c++ wrap raw pointer in unique_ptr    c++ copy raw pointer to unique_ptr