7944: Selecting `&mut foo` completion now actually inserts `&mut` r=matklad a=matklad bors r+ 🤖 Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
7944: Selecting `&mut foo` completion now actually inserts `&mut` r=matklad a=matklad bors r+ 🤖 Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>