<format>: Make instantiation used by vformat_to lazier - #3403

<format>: Make instantiation used by vformat_to lazier#3403

Stephan T. Lavavej (StephanTLavavej) merged 4 commits into

microsoft:mainmicrosoft/STL:mainfrom

frederick-vs-ja:lazy-vformat_tofrederick-vs-ja/STL:lazy-vformat_toCopy head branch name to clipboard