src/test/ui/issues/issue-13466.rs

   1 // Regression test for #13466
   2
   3 pub fn main() {
   4     // The expected arm type `Option<T>` has one type parameter, while
   5     // the actual arm `Result<T, E>` has two. typeck should not be
   6     // tricked into looking up a non-existing second type parameter.
   7     let _x: usize = match Some(1) {
   8         Ok(u) => u,
   9         //~^ ERROR mismatched types
  10         //~| expected enum `Option<{integer}>`
  11         //~| found enum `std::result::Result<_, _>`
  12         //~| expected enum `Option`, found enum `std::result::Result`
  13
  14         Err(e) => panic!(e)
  15         //~^ ERROR mismatched types
  16         //~| expected enum `Option<{integer}>`
  17         //~| found enum `std::result::Result<_, _>`
  18         //~| expected enum `Option`, found enum `std::result::Result`
  19     };
  20 }