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