tests/source/closure.rs

   1 // Closures
   2
   3 fn main() {
   4     let square = ( |i:  i32 | i  *  i );
   5
   6     let commented = |/* first */ a /*argument*/, /* second*/ b: WithType /* argument*/, /* ignored */ _ |
   7         (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb);
   8
   9     let commented = |/* first */ a /*argument*/, /* second*/ b: WithType /* argument*/, /* ignored */ _ |
  10         (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);
  11
  12     let block_body = move   |xxxxxxxxxxxxxxxxxxxxxxxxxxxxx,  ref  yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy| {
  13             xxxxxxxxxxxxxxxxxxxxxxxxxxxxx + yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
  14         };
  15
  16     let loooooooooooooong_name = |field| {
  17              // TODO(#27): format comments.
  18              if field.node.attrs.len() > 0 { field.node.attrs[0].span.lo
  19              } else {
  20                  field.span.lo
  21              }};
  22
  23     let block_me = |field| if true_story() { 1 } else { 2 };
  24
  25     let unblock_me = |trivial| {
  26                          closure()
  27                      };
  28
  29     let empty = |arg|    {};
  30
  31     let test = |  | { do_something(); do_something_else(); };
  32
  33     |arg1, arg2, _, _, arg3, arg4| { let temp = arg4 + arg3;
  34                                      arg2 * arg1 - temp }
  35 }