std::future - cppreference.com
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, std::packaged_task, …
std::future<T>::wait_until - cppreference.com
Aug 2, 2020 · 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 return value indicates why …
When do we need std::shared_future instead of std::future for inter ...
Sep 24, 2022 · One copy of std::shared_future cannot be used from different threads except for copying. It is necessary that each thread has its own copy of std::shared_future.
std::future<T>::get - cppreference.com
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). Right after calling this function, valid () is false. …
Standard library header <future> (C++11) - cppreference.com
Nov 27, 2023 · future (const future &) = delete; ~future (); future & operator =(const future &) = delete; future & operator =(future &&) noexcept; shared_future <R> share () noexcept; // retrieving the value …
std::shared_future - cppreference.com
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 objects …
std::promise - cppreference.com
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 std::memory_order) …
future grants on a snowflake database - Stack Overflow
Jan 12, 2023 · One plausible scenario is existence of another future grants that are assigned on schema level to different role. In such situation future grants assigned on the database level are ignored. …
Cannot build CMake project because "Compatibility with CMake < 3.5 …
Mar 25, 2025 · In this case it does work. In general, it probably doesn't. I'm wondering how this break in backwards compatibility should in general be navigated. Perhaps installing a previous version of …
std::future<T>::future - cppreference.com
Oct 22, 2023 · 2) Move constructor. Constructs a std::future with the shared state of other using move semantics. After construction, other.valid() == false.