src/test/ui/issues/issue-12863.stderr

   1 error[E0532]: expected unit struct, unit variant or constant, found function `foo::bar`
   2   --> $DIR/issue-12863.rs:5:9
   3    |
   4 LL |         foo::bar => {}
   5    |         ^^^^^^^^ not a unit struct, unit variant or constant
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0532`.