Complete Modern C++ - Task-Based Concurrency - Part II

The video tutorial explains the use of STD async in high-level concurrency, detailing how it executes callables in separate threads and returns a future object for result access. It covers the inclusion of the future header file, the two overloads of async, and the launch policies that dictate its behavior. The tutorial also discusses argument passing, emphasizing that arguments are passed by value and how to use reference wrappers for passing by reference. It further explains the future and promise mechanism, highlighting their role in safe data sharing between threads without explicit synchronization.

How do promise and future work together in the context of STD async?

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What is meant by 'shared state' in the context of future and promise?

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