Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs')
-rw-r--r--crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs b/crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs
index 5a6977c255..ff1eeb0516 100644
--- a/crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs
+++ b/crates/ide-diagnostics/src/handlers/non_exhaustive_let.rs
@@ -83,4 +83,26 @@ fn main() {
"#,
);
}
+
+ #[test]
+ fn min_exhaustive() {
+ check_diagnostics(
+ r#"
+//- minicore: result
+fn test(x: Result<i32, !>) {
+ let Ok(_y) = x;
+}
+"#,
+ );
+
+ check_diagnostics(
+ r#"
+//- minicore: result
+fn test(x: Result<i32, &'static !>) {
+ let Ok(_y) = x;
+ //^^^^^^ error: non-exhaustive pattern: `Err(_)` not covered
+}
+"#,
+ );
+ }
}