rust/tests/source/indent_match_arms.rs

// rustfmt-indent_match_arms: false

fn main() {
    match x {
        1 => "one",
        2 => "two",
        3 => "three",
        4 => "four",
        5 => "five",
        _ => "something else",
    }

    match x {
        1 => "one",
        2 => "two",
        3 => "three",
        4 => "four",
        5 => match y {
            'a' => 'A',
            'b' => 'B',
            'c' => 'C',
            _ => "Nope",
        },
        _ => "something else",
    }
}