src/test/ui/nll/user-annotations/closure-substs.polonius.stderr

   1 error: lifetime may not live long enough
   2   --> $DIR/closure-substs.rs:8:16
   3    |
   4 LL | fn foo<'a>() {
   5    |        -- lifetime `'a` defined here
   6 ...
   7 LL |         return x;
   8    |                ^ returning this value requires that `'a` must outlive `'static`
   9    |
  10    = help: consider replacing `'a` with `'static`
  11
  12 error: lifetime may not live long enough
  13   --> $DIR/closure-substs.rs:15:16
  14    |
  15 LL |     |x: &i32| -> &'static i32 {
  16    |         - let's call the lifetime of this reference `'1`
  17 LL |         return x;
  18    |                ^ returning this value requires that `'1` must outlive `'static`
  19
  20 error: lifetime may not live long enough
  21   --> $DIR/closure-substs.rs:15:16
  22    |
  23 LL |     |x: &i32| -> &'static i32 {
  24    |         -        ------------ return type of closure is &'2 i32
  25    |         |
  26    |         let's call the lifetime of this reference `'1`
  27 LL |         return x;
  28    |                ^ returning this value requires that `'1` must outlive `'2`
  29
  30 error: lifetime may not live long enough
  31   --> $DIR/closure-substs.rs:22:9
  32    |
  33 LL | fn bar<'a>() {
  34    |        -- lifetime `'a` defined here
  35 ...
  36 LL |         b(x);
  37    |         ^^^^ argument requires that `'a` must outlive `'static`
  38    |
  39    = help: consider replacing `'a` with `'static`
  40
  41 error[E0521]: borrowed data escapes outside of closure
  42   --> $DIR/closure-substs.rs:29:9
  43    |
  44 LL |     |x: &i32, b: fn(&'static i32)| {
  45    |      - `x` is a reference that is only valid in the closure body
  46 LL |         b(x);
  47    |         ^^^^ `x` escapes the closure body here
  48
  49 error[E0521]: borrowed data escapes outside of closure
  50   --> $DIR/closure-substs.rs:29:9
  51    |
  52 LL |     |x: &i32, b: fn(&'static i32)| {
  53    |      -        - `b` declared here, outside of the closure body
  54    |      |
  55    |      `x` is a reference that is only valid in the closure body
  56 LL |         b(x);
  57    |         ^^^^ `x` escapes the closure body here
  58
  59 error: aborting due to 6 previous errors
  60