rust/src/test/ui/issues/issue-13466.rs
2018-12-25 21:08:33 -07:00

21 lines
810 B
Rust

// Regression test for #13466
pub fn main() {
// The expected arm type `Option<T>` has one type parameter, while
// the actual arm `Result<T, E>` has two. typeck should not be
// tricked into looking up a non-existing second type parameter.
let _x: usize = match Some(1) {
Ok(u) => u,
//~^ ERROR mismatched types
//~| expected type `std::option::Option<{integer}>`
//~| found type `std::result::Result<_, _>`
//~| expected enum `std::option::Option`, found enum `std::result::Result`
Err(e) => panic!(e)
//~^ ERROR mismatched types
//~| expected type `std::option::Option<{integer}>`
//~| found type `std::result::Result<_, _>`
//~| expected enum `std::option::Option`, found enum `std::result::Result`
};
}