id summary reporter owner description type status milestone component version severity resolution keywords cc 9711 future continuation called twice anonymous viboes "I know it is still experimental, but I found a trivial bug in future::then(). If used with the deferred launch policy the continuation is called twice: The first time it is called in promise::set_XXX() or future::then() as it should be, but it is called again in the get() method of the future returned by the then() method. You can reproduce the problem by running the attached code." Bugs closed Boost 1.56.0 thread Boost 1.55.0 Problem fixed futures ikispal@…