tests/target/closure.rs

   1 // Closures
   2
   3 fn main() {
   4     let square = (|i: i32| i * i);
   5
   6     let commented = |// first
   7                      a, // argument
   8                      // second
   9                      b: WithType, // argument
  10                      // ignored
  11                      _| {
  12         (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb)
  13     };
  14
  15     let block_body = move |xxxxxxxxxxxxxxxxxxxxxxxxxxxxx,
  16                            ref yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy| {
  17         xxxxxxxxxxxxxxxxxxxxxxxxxxxxx + yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
  18     };
  19
  20     let loooooooooooooong_name = |field| {
  21         // TODO(#27): format comments.
  22         if field.node.attrs.len() > 0 {
  23             field.node.attrs[0].span.lo
  24         } else {
  25             field.span.lo
  26         }
  27     };
  28
  29     let block_me = |field| if true_story() {
  30         1
  31     } else {
  32         2
  33     };
  34
  35     let unblock_me = |trivial| closure();
  36
  37     let empty = |arg| {};
  38
  39     let simple = |arg| {
  40         // TODO(#27): comment formatting
  41         foo(arg)
  42     };
  43
  44     let test = || {
  45         do_something();
  46         do_something_else();
  47     };
  48
  49     let arg_test = |big_argument_name, test123| {
  50         looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()
  51     };
  52
  53     let arg_test = |big_argument_name, test123| {
  54         looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()
  55     };
  56
  57     let simple_closure = move || -> () {};
  58
  59     let closure = |input: Ty| -> Option<String> { foo() };
  60
  61     let closure_with_return_type = |aaaaaaaaaaaaaaaaaaaaaaarg1,
  62                                     aaaaaaaaaaaaaaaaaaaaaaarg2|
  63                                     -> Strong {
  64         "sup".to_owned()
  65     };
  66
  67     |arg1, arg2, _, _, arg3, arg4| {
  68         let temp = arg4 + arg3;
  69         arg2 * arg1 - temp
  70     }
  71 }
  72
  73 fn issue311() {
  74     let func = |x| println!("{}", x);
  75
  76     (func)(0.0);
  77 }
  78
  79 fn issue863() {
  80     let closure = |x| match x {
  81         0 => true,
  82         _ => false,
  83     } == true;
  84 }