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

Feb 22, 2024 · 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).

Oct 22, 2023 · Constructs a std::future with the shared state of other using move semantics. After construction, other ...

Aug 27, 2021 · 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 …

Aug 23, 2018 · In future builder, it calls the future function to wait for the result, and as soon as it produces the result it calls the builder function where we build the widget. AsyncSnapshot has …

Oct 23, 2023 · 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 …

Oct 28, 2024 · Lazy evaluation is performed: . The first call to a non-timed wait function on the std::future that std::async returned to the caller will evaluate INVOKE (std:: move (g), std:: …

Oct 23, 2023 · The promise is the "push" end of the promise-future communication channel: the operation that stores a value in the shared state synchronizes-with (as defined in …

Nov 27, 2023 · waits for a value (possibly referenced by other futures) that is set asynchronously (class template)

Mar 2, 2016 · A future statement is a directive to the compiler that a particular module should be compiled using syntax or semantics that will be available in a specified future release of …