Add fsharp_keep_single_case_union_multiline setting - #3377

Add fsharp_keep_single_case_union_multiline setting#3377

philipcraig wants to merge 2 commits into

fsprojects:mainfsprojects/fantomas:mainfrom

philipcraig:feature/keep-single-case-union-multilinephilipcraig/fantomas:feature/keep-single-case-union-multilineCopy head branch name to clipboard