· if the future is the result of a call to std::async that used lazy evaluation, this function returns immediately without waiting. · 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). · the class template std::future provides a mechanism to access the result of asynchronous operations: You need to interrupt your code its your codes responsibility is to be … · the future statement is intended to ease migration to future versions of python that introduce incompatible changes to the language. This function may block for longer than … It is like a placeholder for a value that will be materialized in the future. · return value a std::experimental::future object associated with the shared state created by this object. But all i did was just passing … Right after calling this function, valid … In the above-mentioned case, while waiting on network i/o, a function … It allows use of the new features on a per … · the first part is easy: An asynchronous operation (created via std::async, … You can use annotations because annotations have existed since python 3. 0, you dont need to import anything from future to use them what youre … No associated state aborted (core dumped) this exception is supposed to be thrown if you call get_future () twice on the same promise. Valid()==true for the returned object. · 2 future. cancel () will cancel any queued task or will call thread. interrupt () on your thread if already running. A future is like the objects from javascript. · specifies state of a future as returned by wait_for and wait_until functions of std::future and std::shared_future.