Split a long chain with a single child
Split a long chain with a single child

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