Function future_select
poet::future_select — construct a future from the first complete future of a group.
Synopsis
Description
The future_select
function constructs a future which can be used to
wait on a group of futures until any one is ready (or has an exception).
By default, overloads which accept 2 to 10 future arguments are provided.
The user may obtain more or fewer overloads by defining the macro
POET_FUTURE_SELECT_MAX_ARGS
prior to including poet/future_select.hpp.
See also
-
future_select_range
: Same asfuture_select
except it takes iterators to a range of futures as its parameters. -
future_selector
: Efficiently perform repeated waits on a group of futures, waiting for the next future to become ready. -
future_barrier
: construct a future which becomes ready when all of a group of futures are ready or one has an exception.
Returns: |
A future which becomes ready when any one of the input futures either become ready or has an exception. The returned future will receive the value/exception of the input future which became ready (or has an exception). |