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std::future - cppreference. com 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, or std::promise) can provide a std::future object to the creator of that asynchronous operation The creator of the asynchronous operation can then use a variety of methods to query, wait for, or extract a value from the std
std::shared_future - cppreference. com 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 may refer to the same shared state Access to the same shared state from multiple threads is safe if each thread does it through its own copy of a shared_future object
std::future lt;T gt;::~future - cppreference. com Releases any shared state This means: If the current object holds the last reference to its shared state, the shared state is destroyed The current object gives up its reference to its shared state
dart - When should I use a FutureBuilder? - Stack Overflow I was wondering when I should use the future builder For example, if I want to make an http request and show the results in a list view, as soon as you open the view, should I have to use the future