src/tools/rustfmt/tests/source/hard-tabs.rs

// rustfmt-normalize_comments: true
// rustfmt-wrap_comments: true
// rustfmt-hard_tabs: true

fn main() {
let x = Bar;

let y = Foo {a: x };

Foo { a: foo() /* comment*/, /* comment*/ b: bar(), ..something };

fn foo(a: i32, a: i32, a: i32, a: i32, a: i32, a: i32, a: i32, a: i32, a: i32, a: i32, a: i32) {}

let str = "AAAAAAAAAAAAAAaAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAaAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAaAa";

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

    if cond() {
        something();
    } else  if different_cond() {
        something_else();
    } else {
        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
    }
    
unsafe /* very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong comment */ {}

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

let chain = funktion_kall().go_to_next_line_with_tab().go_to_next_line_with_tab().go_to_next_line_with_tab();

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

fn generic<T>(arg: T) -> &SomeType
    where T: Fn(// First arg
        A,
        // Second argument
        B, C, D, /* pre comment */ E /* last comment */) -> &SomeType {
    arg(a, b, c, d, e)    
}

    loong_func().quux(move || {
        if true {
            1
        } else {
            2
        }
    });

    fffffffffffffffffffffffffffffffffff(a,
                                        {
                                            SCRIPT_TASK_ROOT
                                            .with(|root| {
                                                *root.borrow_mut()  =   Some(&script_task);
                                            });
                                        });
    a.b
     .c
     .d();
    
    x().y(|| {
        match cond() {
            true => (),
            false => (),
        }
    });
}

// #2296
impl Foo {
	// a comment
	// on multiple lines
	fn foo() {
		// another comment
		// on multiple lines
		let x = true;
	}
}