error[E0308]: mismatched types
  --> $DIR/return-ty-mismatch-note.rs:5:6
   |
LL | fn f<T>() -> (T,) {
   |      - expected this type parameter
LL |     (0,)
   |      ^ expected type parameter `T`, found integer
   |
   = note: expected type parameter `T`
                        found type `{integer}`

error[E0308]: mismatched types
  --> $DIR/return-ty-mismatch-note.rs:9:6
   |
LL | fn g<U, V>() -> (U, V) {
   |      - expected this type parameter
LL |     (0, "foo")
   |      ^ expected type parameter `U`, found integer
   |
   = note: expected type parameter `U`
                        found type `{integer}`

error[E0308]: mismatched types
  --> $DIR/return-ty-mismatch-note.rs:9:9
   |
LL | fn g<U, V>() -> (U, V) {
   |         - expected this type parameter
LL |     (0, "foo")
   |         ^^^^^ expected type parameter `V`, found `&str`
   |
   = note: expected type parameter `V`
                   found reference `&'static str`

error[E0308]: mismatched types
  --> $DIR/return-ty-mismatch-note.rs:22:5
   |
LL | fn k<T>(_t: &T) -> T {
   |      -             - expected `T` because of return type
   |      |
   |      expected this type parameter
LL |     _t
   |     ^^ expected type parameter `T`, found `&T`
   |
   = note: expected type parameter `_`
                   found reference `&_`

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0308`.