// rustfmt-indent_style: Visual
// rustfmt-normalize_comments: true

fn foo() {
    {
let write_status = |status: &mut Vec<ansi_term::ANSIString>,
                        diff: &Diff,
                        heading: &str,
                        color: &Style,
                        show_hints: bool,
                        hints: &[&str]|-> Option<bool> { Some(true) };}
}

fn bar() {
    let write_status = |status: &mut Vec<ansi_term::ANSIString>,diff: &Diff,heading: &str,color: &Style,| -> Option<bool> { Some(true) };
    let baz = |foo: bool| -> Option<bool> { Some(true) };
}

fn main() {
    let square = ( |i:  i32 | i  *  i );

        let commented = |// first
            a, // argument
                // second
                b: WithType, // argument
        // ignored
    _| {
        (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb)
    };

    let commented2 = |/* first */ a /*argument*/, /* second*/ b: WithType /* argument*/, /* ignored */ _ |
        (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);

    let block_body = move   |xxxxxxxxxxxxxxxxxxxxxxxxxxxxx,  ref  yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy| {
            xxxxxxxxxxxxxxxxxxxxxxxxxxxxx + yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
        };

    let loooooooooooooong_name = |field| {
             // format comments.
             if field.node.attrs.len() > 0 { field.node.attrs[0].span.lo()
             } else {
                 field.span.lo()
             }};

    let unblock_me = |trivial| {
                         closure()
                     };

    let empty = |arg|    {};

    let simple = |arg| { /*  comment formatting */ foo(arg) };

    let test = |  | { do_something(); do_something_else(); };

    let arg_test = |big_argument_name, test123| looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame();

    let arg_test = |big_argument_name, test123| {looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()};

    let simple_closure = move ||   ->  () {};

    let closure = |input: Ty| -> Option<String> {
        foo()
    };

    let closure_with_return_type = |aaaaaaaaaaaaaaaaaaaaaaarg1, aaaaaaaaaaaaaaaaaaaaaaarg2| -> Strong { "sup".to_owned() };

    |arg1, arg2, _, _, arg3, arg4| { let temp = arg4 + arg3;
                                     arg2 * arg1 - temp };

}