Webstd::future get_future(); (since C++11) 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 multiple "pop" ends of the promise-future communication channel, use std::future::share . Calls to this function do not introduce ... WebDec 14, 2024 · The operation behaves as though set_value, set_exception, set_value_at_thread_exit, and set_exception_at_thread_exit acquire a single mutex associated with the promise object while updating the promise object.. An exception is thrown if there is no shared state or the shared state already stores a value or exception. …
std::promise ::set_value - cppreference.com
WebFeb 5, 2024 · std:: promise. std:: promise. 2) non-void specialization, used to communicate objects between threads. 3) void specialization, used to communicate stateless events. The class template std::promise provides a facility to store a value or … atomic_compare_exchange_weak atomic_compare_exchange_weak_explicit … 2) Constructs the promise with an empty shared state. The shared state is … The class template std::future provides a mechanism to access the result of … The lookup for the identifier swap in the exception specification finds this … The operation behaves as though set_value, set_exception, … WebNov 26, 2024 · Return the chaining promise object, where d is the callback function be called when previous promise object was resolved or rejected. Promise::then(Promise promise) Return the chaining promise object, where "promise" is the promise object be called when previous promise object was resolved or rejected. … cummins and white newport beach
std::all_of() in C++ - thisPointer
WebThe std::allocator_arg value. This constant value is merely used to explicitly select this constructor overload. alloc Allocator object. The container keeps and uses an internal … WebJun 12, 2012 · std::promise is the channel or pathway for information to be returned from the async function. std::future is the synchronization mechanism thats makes the caller … eastwood high school yearbook