rust/tests/target/expr-block.rs

// rustfmt-array_layout: Block
// rustfmt-fn_call_style: Block
// Test expressions with block formatting.

fn arrays() {
    [];
    let empty = [];

    let foo = [a_long_name, a_very_lng_name, a_long_name, a_very_lng_name, a_long_name];

    let foo = [
        a_long_name,
        a_very_lng_name,
        a_long_name,
        a_very_lng_name,
        a_long_name,
        a_very_lng_name,
        a_long_name,
        a_very_lng_name,
    ];

    vec![
        a_long_name,
        a_very_lng_name,
        a_long_name,
        a_very_lng_name,
        a_long_name,
        a_very_lng_name,
        a_very_lng_name,
    ];

    [
        a_long_name,
        a_very_lng_name,
        a_long_name,
        a_very_lng_name,
        a_long_name,
        a_very_lng_name,
        a_very_lng_name,
    ]
}

fn arrays() {
    let x = [
        0,
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        0,
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        0,
        7,
        8,
        9,
        0,
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        0,
    ];

    let y = [
        /* comment */
        1,
        2, /* post comment */
        3,
    ];

    let xy = [
        strukt {
            test123: value_one_two_three_four,
            turbo: coolio(),
        },
        /* comment  */
        1,
    ];

    let a = WeightedChoice::new(
        &mut [
            Weighted { weight: x, item: 0 },
            Weighted { weight: 1, item: 1 },
            Weighted { weight: x, item: 2 },
            Weighted { weight: 1, item: 3 },
        ],
    );

    let z =
        [xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, yyyyyyyyyyyyyyyyyyyyyyyyyyy, zzzzzzzzzzzzzzzzz, q];

    [1 + 3, 4, 5, 6, 7, 7, fncall::<Vec<_>>(3 - 1)]
}

fn function_calls() {
    let items = itemize_list(
        context.codemap,
        args.iter(),
        ")",
        |item| item.span.lo,
        |item| item.span.hi,
        |item| {
            item.rewrite(
                context,
                Shape {
                    width: remaining_width,
                    ..nested_shape
                },
            )
        },
        span.lo,
        span.hi,
    );

    itemize_list(
        context.codemap,
        args.iter(),
        ")",
        |item| item.span.lo,
        |item| item.span.hi,
        |item| {
            item.rewrite(
                context,
                Shape {
                    width: remaining_width,
                    ..nested_shape
                },
            )
        },
        span.lo,
        span.hi,
    )
}

fn macros() {
    baz!(
        do_not,
        add,
        trailing,
        commas,
        inside,
        of,
        function,
        like,
        macros,
        even,
        if_they,
        are,
        long
    );

    baz!(one_item_macro_which_is_also_loooooooooooooooooooooooooooooooooooooooooooooooong);

    let _ = match option {
        None => {
            baz!(
                function,
                like,
                macro_as,
                expression,
                which,
                is,
                loooooooooooooooong
            )
        }
        Some(p) => baz!(one_item_macro_as_expression_which_is_also_loooooooooooooooong),
    };
}