void call_async(Core dest, F func) {
static_assert(std::is_same<R, decltype(func())>::value, "return type of callable must match the type of this Promise");
_result.reset();
delegate_ops++;
delegate_async_ops++;
Core origin = Grappa::mycore();
if (dest == origin) {
// short-circuit if local
delegate_targets++;
delegate_short_circuits++;
fill(func());
} else {
start_time = Grappa::timestamp();
send_heap_message(dest, [origin, func, this] {
delegate_targets++;
R val = func();
// TODO: replace with handler-safe send_message
send_heap_message(origin, [val, this] {
this->network_time = Grappa::timestamp();
Grappa::impl::record_network_latency(this->start_time);
this->fill(val);
});
}); // send message
}
}
