rust/tests/target/expr.rs

// Test expressions

fn foo() -> bool {
    let boxed: Box<i32> = box 5;
    let referenced = &5;

    let very_long_variable_name = (a + first + simple + test);
    let very_long_variable_name = (a + first + simple + test + AAAAAAAAAAAAA +
                                   BBBBBBBBBBBBBBBBB + b + c);

    //FIXME this exceeds width limit. Needs assignments reformatting
    let is_internalxxxx = self.codemap.span_to_filename(s) == self.codemap.span_to_filename(m.inner);

    let some_val = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa * bbbb /
                   (bbbbbb - function_call(x, *very_long_pointer, y)) + 1000;

    some_ridiculously_loooooooooooooooooooooong_function(10000 * 30000000000 +
                                                         40000 / 1002200000000 -
                                                         50000 * sqrt(-1),
                                                         trivial_value);
    (((((((((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
             a +
             aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
             aaaaa)))))))));

    {
        for _ in 0..10 {}
    }

    {
        {
            {
                {}
            }
        }
    }

    if 1 + 2 > 0 {
        let result = 5;
        result
    } else {
        4
    };

    if let Some(x) = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa {
        // Nothing
    }

    if let Some(x) = (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
                      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}

    if let (some_very_large,
            tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1 + 2 + 3 {
    }

    if let (some_very_large,
            tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1111 +
                                                                                         2222 {}

    if let (some_very_large, tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) =
           1 + 2 + 3 {
    }

    if cond() {
        something();
    } else if different_cond() {
        something_else();
    } else {
        // Check subformatting
        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +
        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
    }
}

fn bar() {
    let range = (111111111 + 333333333333333333 + 1111 + 400000000000000000)..(2222 +
                                                                               2333333333333333);

    let another_range = 5..some_func(a, b /* comment */);

    for _ in 1.. {
        call_forever();
    }

    syntactically_correct(loop {
            sup('?');
        },
                          if cond {
            0
        } else {
            1
        });

    let third = ..10;
    let infi_range = ..;
    let foo = 1..;
    let bar = 5;
    let nonsense = (10..0)..(0..10);

    let x = (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
             a);
}

fn baz() {
    unsafe /* {}{}{}{{{{}} */ {
        let foo = 1u32;
    }

    unsafe /* very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong
            * comment */ {
    }

    unsafe /* So this is a very long comment.
            * Multi-line, too.
            * Will it still format correctly? */ {
    }

    unsafe {
        // Regular unsafe block
    }
}

// Test some empty blocks.
fn qux() {
    {}
    // FIXME this one could be done better.
    { /* a block with a comment */
    }
    {

    }
    {
        // A block with a comment.
    }
}