<format>: Make non-Standard constructors of basic_format_arg::handle and basic_format_context private - #4489

<format>: Make non-Standard constructors of basic_format_arg::handle and basic_format_context private#4489

Stephan T. Lavavej (StephanTLavavej) merged 3 commits into

microsoft:mainmicrosoft/STL:mainfrom

frederick-vs-ja:format-non-standard-ctorfrederick-vs-ja/STL:format-non-standard-ctorCopy head branch name to clipboard