shared_future(); | (1) | (since C++11) |
shared_future( const shared_future& other ); | (2) | (since C++11) |
shared_future( std::future<T>&& other ); | (3) | (since C++11) |
shared_future( shared_future&& other ); | (4) | (since C++11) |
Constructs a new shared_future
.
1) Default constructor. Constructs an empty shared future, that doesn't refer to a shared state, that is
valid() == false
. 2) Constructs a shared future that refers to the same shared state, as
other
, if there's any. 3-4) Transfers the shared state held by
other
to *this
. After the construction, other->valid() == false
, also valid()
returns the same value as other.valid()
would have returned before the construction.Parameters
other | - | another future object to initialize with |
Exceptions
1)
noexcept
specification: noexcept
2) (none)
3-4)
noexcept
specification: noexcept
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