error[E0308]: mismatched types
  --> $DIR/fn-item-type.rs:13:19
   |
LL |     eq(foo::<u8>, bar::<u8>);
   |                   ^^^^^^^^^ expected fn item, found a different fn item
   |
   = note: expected fn item `fn(_) -> _ {foo::<u8>}`
              found fn item `fn(_) -> _ {bar::<u8>}`
   = note: different `fn` items always have unique types, even if their signatures are the same
   = help: change the expected type to be function pointer `fn(isize) -> isize`
   = help: if the expected type is due to type inference, cast the expected `fn` to a function pointer: `foo::<u8> as fn(isize) -> isize`

error[E0308]: mismatched types
  --> $DIR/fn-item-type.rs:22:19
   |
LL |     eq(foo::<u8>, foo::<i8>);
   |                   ^^^^^^^^^ expected `u8`, found `i8`
   |
   = note: expected fn item `fn(_) -> _ {foo::<u8>}`
              found fn item `fn(_) -> _ {foo::<i8>}`
   = note: different `fn` items always have unique types, even if their signatures are the same
   = help: change the expected type to be function pointer `fn(isize) -> isize`
   = help: if the expected type is due to type inference, cast the expected `fn` to a function pointer: `foo::<u8> as fn(isize) -> isize`

error[E0308]: mismatched types
  --> $DIR/fn-item-type.rs:29:23
   |
LL |     eq(bar::<String>, bar::<Vec<u8>>);
   |                       ^^^^^^^^^^^^^^ expected struct `String`, found struct `Vec`
   |
   = note: expected fn item `fn(_) -> _ {bar::<String>}`
              found fn item `fn(_) -> _ {bar::<Vec<u8>>}`
   = note: different `fn` items always have unique types, even if their signatures are the same
   = help: change the expected type to be function pointer `fn(isize) -> isize`
   = help: if the expected type is due to type inference, cast the expected `fn` to a function pointer: `bar::<String> as fn(isize) -> isize`

error[E0308]: mismatched types
  --> $DIR/fn-item-type.rs:39:26
   |
LL |     eq(<u8 as Foo>::foo, <u16 as Foo>::foo);
   |                          ^^^^^^^^^^^^^^^^^ expected `u8`, found `u16`
   |
   = note: expected fn item `fn() {<u8 as Foo>::foo}`
              found fn item `fn() {<u16 as Foo>::foo}`
   = note: different `fn` items always have unique types, even if their signatures are the same
   = help: change the expected type to be function pointer `fn()`
   = help: if the expected type is due to type inference, cast the expected `fn` to a function pointer: `<u8 as Foo>::foo as fn()`

error[E0308]: mismatched types
  --> $DIR/fn-item-type.rs:46:19
   |
LL |     eq(foo::<u8>, bar::<u8> as fn(isize) -> isize);
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected fn item, found fn pointer
   |
   = note: expected fn item `fn(_) -> _ {foo::<u8>}`
           found fn pointer `fn(_) -> _`
   = help: change the expected type to be function pointer `fn(isize) -> isize`
   = help: if the expected type is due to type inference, cast the expected `fn` to a function pointer: `foo::<u8> as fn(isize) -> isize`

error: aborting due to 5 previous errors

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