2024年3月12日 · The class template std::future provides a mechanism to access the result of asynchronous operations: An asynchronous operation (created via std::async, …

2021年8月27日 · Checks if the future refers to a shared state. This is the case only for futures that were not default-constructed or moved from (i.e. returned by std::promise::get_future (), …

2024年2月22日 · The get member function waits (by calling wait ()) until the shared state is ready, then retrieves the value stored in the shared state (if any). Right after calling this function, valid …

2020年8月2日 · wait_until waits for a result to become available. It blocks until specified timeout_time has been reached or the result becomes available, whichever comes first. The …

2025年3月19日 · Specifies state of a future as returned by wait_for and wait_until functions of std::future and std::shared_future. Constants

2021年8月27日 · If the future is the result of a call to std::async that used lazy evaluation, this function returns immediately without waiting. This function may block for longer than …

2023年10月23日 · Unlike std::future, which is only moveable (so only one instance can refer to any particular asynchronous result), std::shared_future is copyable and multiple shared future …

2020年7月21日 · A future represents the result of an asynchronous operation, and can have two states: uncompleted or completed. Most likely, as you aren't doing this just for fun, you actually …

2024年3月11日 · Returns a future object associated with the same shared state as *this. An exception is thrown if *this has no shared state or get_future has already been called. To get …

2024年11月26日 · To opt-in to the future behavior, set `pd.set_option('future.no_silent_downcasting', True)` 0 1 1 0 2 2 3 1 dtype: int64 If I …