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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::future lt;T gt;::future - cppreference. com
2) Move constructor Constructs a std::future with the shared state of other using move semantics After construction, other valid() == false
- What is __future__ in Python used for and how when to use it, and how . . .
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 future statement is intended to ease migration to future versions of Python that introduce incompatible changes to the language It allows use of the new features on a per-module basis before the release in
- Cannot build CMake project because Compatibility with CMake lt; 3. 5 has . . .
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 CMake is the only way that always works? That would mean that each project in the future should specify the CMake version on which it should be built
- std::packaged_task lt;R (Args. . . ) gt;::get_future - cppreference. com
Returns a future which shares the same shared state as *this get_future can be called only once for each packaged_task Parameters (none) Return value A future which shares the same shared state as *this Exceptions std::future_error on the following error conditions: The shared state has already been retrieved via a call to get_future
- std::experimental::make_ready_future - cppreference. com
Creates a shared state of type V that is immediately ready, with the result constructed from std::forward<T>(value), then returns a std::experimental::future associated with that shared state
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