fix: handling of associated type bounds
fix: handling of associated type bounds

graydon/rust,aidancully/rust,SingingTree/rustfmt,graydon/rust,graydon/rust,rust-lang/rustfmt,rust-lang/rustfmt,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,SingingTree/rustfmt,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust