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std::experimental::future::future

From cppreference.com
< cpp‎ | experimental‎ | future
future() noexcept;
(1)
future(std::experimental::future<T>&& f) noexcept;
(2)
future(const std::experimental::future<T>&) = delete;
(3)
future(std::experimental::future<std::experimental::future<T>> && other) noexcept;
(4)
1) Default constructor. Constructs an empty future object that does not refer to a shared state.
2) Constructs a future object, transferring the shared state held by f, if any. After construction, f.valid() is false.
3) Copy constructor is deleted. future} cannot be copied.
4) Constructs a future object from the shared state referred to by other. The resulting future object becomes ready when one of the following happens:
  • other and other.get() are both ready. The value or exception from other.get() is stored in the shared state associated with the resulting future object.
  • other is ready, but other.get() is invalid. An exception of type std::future_error with an error condition of std::future_errc::broken_promise is stored in the shared state associated with the resulting future object.
After this constructor returns, valid() == true and other.valid() == false.

[edit] Parameters

f - another future object to initialize with
other - A std::experimental::future object to unwrap

[edit] Example

[edit] See also

constructs the future object
(public member function of std::future) [edit]