Change the type of argument of push_vertical_spaces()
Change the type of argument of push_vertical_spaces()

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