id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
8678	Async: Add future<>::fallback_to	viboes	viboes	"Quite often the user as a fall back value that should be used when the future has an exception. 

This factory creates a new future that will fall back to the parameter if the source future will be ready with an exception. The following 


{{{
  f.fallback_to(v);
}}}

is a shortcut for 


{{{
  f.then([](future<T> f) {
    return f.get_or(v);
  });
}}}
"	Feature Requests	closed	Boost 1.55.0	thread	Boost 1.54.0	Problem	fixed