1 // rustfmt-fn_params_layout: Vertical
2
3 // Empty list should stay on one line.
do_bar() -> u84 fn do_bar() -> u8 {
5 bar()
6 }
7
8 // A single argument should stay on the same line.
do_bar(a: u8) -> u89 fn do_bar(a: u8) -> u8 {
10 bar()
11 }
12
13 // Multiple arguments should each get their own line.
do_bar( a: u8, mut b: u8, c: &u8, d: &mut u8, closure: &Fn(i32) -> i32, ) -> i3214 fn do_bar(
15 a: u8,
16 mut b: u8,
17 c: &u8,
18 d: &mut u8,
19 closure: &Fn(i32) -> i32,
20 ) -> i32 {
21 // This feature should not affect closures.
22 let bar = |x: i32, y: i32| -> i32 { x + y };
23 bar(a, b)
24 }
25
26 // If the first argument doesn't fit on the same line with the function name,
27 // the whole list should probably be pushed to the next line with hanging
28 // indent. That's not what happens though, so check current behaviour instead.
29 // In any case, it should maintain single argument per line.
do_this_that_and_the_other_thing( aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: u8, b: u8, c: u8, d: u8, )30 fn do_this_that_and_the_other_thing(
31 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: u8,
32 b: u8,
33 c: u8,
34 d: u8,
35 ) {
36 this();
37 that();
38 the_other_thing();
39 }
40