rust/tests/source/configs-fn_args_paren_newline-true.rs

// rustfmt-fn_args_paren_newline: true
// Function arguments parenthesis on a newline

fn lorem(ipsum: Ipsum, dolor: Dolor, sit: Sit, amet: Amet) -> DolorSitAmetConsecteturAdipiscingElitLoremIpsumDolorSitAmetConsecteturAdipiscingElit {
    // body
}