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
is null.
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) |