Allow promises to be constructed for non-default-constructible types - #2568

Allow promises to be constructed for non-default-constructible types#2568

Stephan T. Lavavej (StephanTLavavej) merged 8 commits into

microsoft:mainmicrosoft/STL:mainfrom

MitalAshok:promise-not-default-constrMitalAshok/STL:promise-not-default-constrCopy head branch name to clipboard