8d1df9834c
358: Add support for formatting entire document with rustfmt r=matklad a=aleksanb Attempting to format a document when rustfmt isn't installed will result in an error being returned to the frontend. An alternative implementation would be returning zero replacements. Part of https://github.com/rust-analyzer/rust-analyzer/issues/160. Co-authored-by: Aleksander Vognild Burkow <aleksanderburkow@gmail.com>