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| {
  30         if true_story() {
  31             1
  32         } else {
  33             2
  34         }
  35     };
  36
  37     let unblock_me = |trivial| closure();
  38
  39     let empty = |arg| {};
  40
  41     let simple = |arg| { /* TODO(#27): comment formatting */
  42         foo(arg)
  43     };
  44
  45     let test = || {
  46         do_something();
  47         do_something_else();
  48     };
  49
  50     let arg_test = |big_argument_name, test123| {
  51         looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()
  52     };
  53
  54     let arg_test = |big_argument_name, test123| {
  55         looooooooooooooooooong_function_naaaaaaaaaaaaaaaaame()
  56     };
  57
  58     let simple_closure = move || -> () {};
  59
  60     let closure = |input: Ty| -> Option<String> { foo() };
  61
  62     let closure_with_return_type = |aaaaaaaaaaaaaaaaaaaaaaarg1,
  63                                     aaaaaaaaaaaaaaaaaaaaaaarg2|
  64                                     -> Strong {
  65         "sup".to_owned()
  66     };
  67
  68     |arg1, arg2, _, _, arg3, arg4| {
  69         let temp = arg4 + arg3;
  70         arg2 * arg1 - temp
  71     }
  72 }
  73
  74 fn issue311() {
  75     let func = |x| println!("{}", x);
  76
  77     (func)(0.0);
  78 }