std::future - cppreference.com
The class template std::future provides a mechanism to access the result of asynchronous operations: An asynchronous operation (performed via std::async, std::packaged_task, or std::promise) can …
std::future<T>::wait_for - cppreference.com
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 timeout_duration due to scheduling or …
c++ - std::future in simple words? - Stack Overflow
Dec 28, 2021 · In summary: std::future is an object used in multithreaded programming to receive data or an exception from a different thread; it is one end of a single-use, one-way communication …
What is __future__ in Python used for and how/when to use it, and how ...
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 Python. The …
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::promise - cppreference.com
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) the successful return …
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 …
std:: async - cppreference.com
The function template std::async runs the function f asynchronously (potentially in a separate thread which might be a part of a thread pool) and returns a std::future that will eventually hold the result of …
Ansible yum throwing future feature annotations is not defined
Sep 16, 2024 · The error: SyntaxError: future feature annotations is not defined usually related to an old version of python, but my remote server has Python3.9 and to verify it - I also added it in my …
Can't import annotations from __future__ - Stack Overflow
Oct 19, 2018 · When running the statement from __future__ import annotations I get the following error: Traceback (most recent call last): File "/usr/lib/python3.5/py_compile.py ...