src/test/ui/closures/closure-expected-type/expect-region-supply-region.stderr

   1 error: borrowed data cannot be stored outside of its closure
   2   --> $DIR/expect-region-supply-region.rs:18:18
   3    |
   4 LL |     let mut f: Option<&u32> = None;
   5    |         ----- borrowed data cannot be stored into here...
   6 LL |     closure_expecting_bound(|x| {
   7    |                             --- ...because it cannot outlive this closure
   8 LL |         f = Some(x);
   9    |                  ^ cannot be stored outside of its closure
  10
  11 error: borrowed data cannot be stored outside of its closure
  12   --> $DIR/expect-region-supply-region.rs:28:18
  13    |
  14 LL |     let mut f: Option<&u32> = None;
  15    |         ----- borrowed data cannot be stored into here...
  16 LL |     closure_expecting_bound(|x: &u32| {
  17    |                             --------- ...because it cannot outlive this closure
  18 LL |         f = Some(x);
  19    |                  ^ cannot be stored outside of its closure
  20
  21 error[E0308]: mismatched types
  22   --> $DIR/expect-region-supply-region.rs:37:33
  23    |
  24 LL |     closure_expecting_bound(|x: &'x u32| {
  25    |                                 ^^^^^^^ lifetime mismatch
  26    |
  27    = note: expected reference `&u32`
  28               found reference `&'x u32`
  29 note: the anonymous lifetime #2 defined on the body at 37:29...
  30   --> $DIR/expect-region-supply-region.rs:37:29
  31    |
  32 LL |       closure_expecting_bound(|x: &'x u32| {
  33    |  _____________________________^
  34 LL | |
  35 LL | |
  36 LL | |
  37 ...  |
  38 LL | |
  39 LL | |     });
  40    | |_____^
  41 note: ...does not necessarily outlive the lifetime `'x` as defined on the function body at 32:30
  42   --> $DIR/expect-region-supply-region.rs:32:30
  43    |
  44 LL | fn expect_bound_supply_named<'x>() {
  45    |                              ^^
  46
  47 error[E0308]: mismatched types
  48   --> $DIR/expect-region-supply-region.rs:37:33
  49    |
  50 LL |     closure_expecting_bound(|x: &'x u32| {
  51    |                                 ^^^^^^^ lifetime mismatch
  52    |
  53    = note: expected reference `&u32`
  54               found reference `&'x u32`
  55 note: the lifetime `'x` as defined on the function body at 32:30...
  56   --> $DIR/expect-region-supply-region.rs:32:30
  57    |
  58 LL | fn expect_bound_supply_named<'x>() {
  59    |                              ^^
  60 note: ...does not necessarily outlive the anonymous lifetime #2 defined on the body at 37:29
  61   --> $DIR/expect-region-supply-region.rs:37:29
  62    |
  63 LL |       closure_expecting_bound(|x: &'x u32| {
  64    |  _____________________________^
  65 LL | |
  66 LL | |
  67 LL | |
  68 ...  |
  69 LL | |
  70 LL | |     });
  71    | |_____^
  72
  73 error: borrowed data cannot be stored outside of its closure
  74   --> $DIR/expect-region-supply-region.rs:42:18
  75    |
  76 LL |     let mut f: Option<&u32> = None;
  77    |         ----- borrowed data cannot be stored into here...
  78 ...
  79 LL |     closure_expecting_bound(|x: &'x u32| {
  80    |                             ------------ ...because it cannot outlive this closure
  81 ...
  82 LL |         f = Some(x);
  83    |                  ^ cannot be stored outside of its closure
  84
  85 error: aborting due to 5 previous errors
  86
  87 For more information about this error, try `rustc --explain E0308`.