src/test/ui/nll/closure-requirements/return-wrong-bound-region.stderr

   1 note: no external requirements
   2   --> $DIR/return-wrong-bound-region.rs:11:16
   3    |
   4 LL |     expect_sig(|a, b| b); // ought to return `a`
   5    |                ^^^^^^^^
   6    |
   7    = note: defining type: test::{closure#0} with closure substs [
   8                i16,
   9                for<'r, 's> extern "rust-call" fn((&ReLateBound(DebruijnIndex(0), BrNamed('r)) i32, &ReLateBound(DebruijnIndex(0), BrNamed('s)) i32)) -> &ReLateBound(DebruijnIndex(0), BrNamed('r)) i32,
  10                (),
  11            ]
  12
  13 error: lifetime may not live long enough
  14   --> $DIR/return-wrong-bound-region.rs:11:23
  15    |
  16 LL |     expect_sig(|a, b| b); // ought to return `a`
  17    |                 -  -  ^ closure was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
  18    |                 |  |
  19    |                 |  has type `&'1 i32`
  20    |                 has type `&'2 i32`
  21
  22 note: no external requirements
  23   --> $DIR/return-wrong-bound-region.rs:10:1
  24    |
  25 LL | / fn test() {
  26 LL | |     expect_sig(|a, b| b); // ought to return `a`
  27 LL | |
  28 LL | | }
  29    | |_^
  30    |
  31    = note: defining type: test
  32
  33 error: aborting due to previous error
  34