src/test/ui/variance/variance-use-invariant-struct-1.stderr

   1 error: lifetime may not live long enough
   2   --> $DIR/variance-use-invariant-struct-1.rs:10:5
   3    |
   4 LL | fn foo<'min,'max>(v: SomeStruct<&'max ()>)
   5    |        ---- ---- lifetime `'max` defined here
   6    |        |
   7    |        lifetime `'min` defined here
   8 ...
   9 LL |     v
  10    |     ^ function was supposed to return data with lifetime `'max` but it is returning data with lifetime `'min`
  11    |
  12    = help: consider adding the following bound: `'min: 'max`
  13    = note: requirement occurs because of the type `SomeStruct<&()>`, which makes the generic argument `&()` invariant
  14    = note: the struct `SomeStruct<T>` is invariant over the parameter `T`
  15    = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
  16
  17 error: lifetime may not live long enough
  18   --> $DIR/variance-use-invariant-struct-1.rs:18:5
  19    |
  20 LL | fn bar<'min,'max>(v: SomeStruct<&'min ()>)
  21    |        ---- ---- lifetime `'max` defined here
  22    |        |
  23    |        lifetime `'min` defined here
  24 ...
  25 LL |     v
  26    |     ^ function was supposed to return data with lifetime `'max` but it is returning data with lifetime `'min`
  27    |
  28    = help: consider adding the following bound: `'min: 'max`
  29    = note: requirement occurs because of the type `SomeStruct<&()>`, which makes the generic argument `&()` invariant
  30    = note: the struct `SomeStruct<T>` is invariant over the parameter `T`
  31    = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
  32
  33 error: aborting due to 2 previous errors
  34