I think the original question was about full-on enforcement of style rules as grammatical rules, by the compiler, as proposed by Ken Arnold in his 2004 essay St

I think the original question was about full-on enforcement of style rules as grammatical rules, by the compiler, as proposed by Ken Arnold in his 2004 essay Style is Substance [1]. AFAIK nothing like that is remotely on the cards for rustfmt. [1] http://www.artima.com/weblogs/viewpost.jsp?thread=74230 http://www.artima.com/weblogs/viewpost.jsp?thread=74230