tests/ui/nll/closure-access-spans.stderr

   1 error[E0502]: cannot borrow `x` as immutable because it is also borrowed as mutable
   2   --> $DIR/closure-access-spans.rs:5:5
   3    |
   4 LL |     let r = &mut x;
   5    |             ------ mutable borrow occurs here
   6 LL |     || x;
   7    |     ^^ - second borrow occurs due to use of `x` in closure
   8    |     |
   9    |     immutable borrow occurs here
  10 LL |     r.use_mut();
  11    |     ----------- mutable borrow later used here
  12
  13 error[E0499]: cannot borrow `x` as mutable more than once at a time
  14   --> $DIR/closure-access-spans.rs:11:5
  15    |
  16 LL |     let r = &mut x;
  17    |             ------ first mutable borrow occurs here
  18 LL |     || x = 2;
  19    |     ^^ - second borrow occurs due to use of `x` in closure
  20    |     |
  21    |     second mutable borrow occurs here
  22 LL |     r.use_mut();
  23    |     ----------- first borrow later used here
  24
  25 error[E0500]: closure requires unique access to `x` but it is already borrowed
  26   --> $DIR/closure-access-spans.rs:17:5
  27    |
  28 LL |     let r = &mut x;
  29    |             ------ borrow occurs here
  30 LL |     || *x = 2;
  31    |     ^^ -- second borrow occurs due to use of `x` in closure
  32    |     |
  33    |     closure construction occurs here
  34 LL |     r.use_mut();
  35    |     ----------- first borrow later used here
  36
  37 error[E0503]: cannot use `x` because it was mutably borrowed
  38   --> $DIR/closure-access-spans.rs:23:13
  39    |
  40 LL |     let r = &mut x;
  41    |             ------ `x` is borrowed here
  42 LL |     move || x;
  43    |             ^ use of borrowed `x`
  44 LL |     r.use_ref();
  45    |     ----------- borrow later used here
  46
  47 error[E0505]: cannot move out of `x` because it is borrowed
  48   --> $DIR/closure-access-spans.rs:29:5
  49    |
  50 LL | fn closure_move_capture_conflict(mut x: String) {
  51    |                                  ----- binding `x` declared here
  52 LL |     let r = &x;
  53    |             -- borrow of `x` occurs here
  54 LL |     || x;
  55    |     ^^ - move occurs due to use in closure
  56    |     |
  57    |     move out of `x` occurs here
  58 LL |     r.use_ref();
  59    |     ----------- borrow later used here
  60
  61 error[E0382]: borrow of moved value: `x`
  62   --> $DIR/closure-access-spans.rs:35:5
  63    |
  64 LL | fn closure_imm_capture_moved(mut x: String) {
  65    |                              ----- move occurs because `x` has type `String`, which does not implement the `Copy` trait
  66 LL |     let r = x;
  67    |             - value moved here
  68 LL |     || x.len();
  69    |     ^^ - borrow occurs due to use in closure
  70    |     |
  71    |     value borrowed here after move
  72    |
  73 help: consider cloning the value if the performance cost is acceptable
  74    |
  75 LL |     let r = x.clone();
  76    |              ++++++++
  77
  78 error[E0382]: borrow of moved value: `x`
  79   --> $DIR/closure-access-spans.rs:40:5
  80    |
  81 LL | fn closure_mut_capture_moved(mut x: String) {
  82    |                              ----- move occurs because `x` has type `String`, which does not implement the `Copy` trait
  83 LL |     let r = x;
  84    |             - value moved here
  85 LL |     || x = String::new();
  86    |     ^^ - borrow occurs due to use in closure
  87    |     |
  88    |     value borrowed here after move
  89    |
  90 help: consider cloning the value if the performance cost is acceptable
  91    |
  92 LL |     let r = x.clone();
  93    |              ++++++++
  94
  95 error[E0382]: borrow of moved value: `x`
  96   --> $DIR/closure-access-spans.rs:45:5
  97    |
  98 LL | fn closure_unique_capture_moved(x: &mut String) {
  99    |                                 - move occurs because `x` has type `&mut String`, which does not implement the `Copy` trait
 100 LL |     let r = x;
 101    |             - value moved here
 102 LL |     || *x = String::new();
 103    |     ^^ -- borrow occurs due to use in closure
 104    |     |
 105    |     value borrowed here after move
 106
 107 error[E0382]: use of moved value: `x`
 108   --> $DIR/closure-access-spans.rs:50:5
 109    |
 110 LL | fn closure_move_capture_moved(x: &mut String) {
 111    |                               - move occurs because `x` has type `&mut String`, which does not implement the `Copy` trait
 112 LL |     let r = x;
 113    |             - value moved here
 114 LL |     || x;
 115    |     ^^ - use occurs due to use in closure
 116    |     |
 117    |     value used here after move
 118
 119 error: aborting due to 9 previous errors
 120
 121 Some errors have detailed explanations: E0382, E0499, E0500, E0502, E0503, E0505.
 122 For more information about an error, try `rustc --explain E0382`.