std::experimental::make_exceptional_future
From cppreference.com
< cpp | experimental
Defined in header
<experimental/future>
|
||
template
<
class T >
future<T> make_exceptional_future( std::exception_ptr ex ) ; |
(1) | (concurrency TS) |
template
<
class T, class E >
future<T> make_exceptional_future( E ex ) ; |
(2) | (concurrency TS) |
1) Creates a shared state of type
T
that is immediately ready and stores the exception pointer ex, then return a future associated with that shared state, as if by
promise<T> p; p.set_exception
(ex)
;
return p.get_future
(
)
;
. The behavior is undefined if ex
2) Creates a shared state of type
T
that is immediately ready and stores an exception pointer created from ex, then return a future associated with that shared state, as if by
promise<T> p; p.set_exception
(
std::make_exception_ptr
(ex)
)
;
return p.get_future
(
)
;
Return value
A future
object associated with the shared state that was created.
See also
(concurrency TS)
|
produces a future that is ready immediately and holds the given value (function template) |