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-rw-r--r--src/test/ui/never_type/never-result.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/never_type/never-result.rs b/src/test/ui/never_type/never-result.rs
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index 000000000..35af37910
--- /dev/null
+++ b/src/test/ui/never_type/never-result.rs
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+// run-pass
+
+#![allow(unused_variables)]
+#![allow(unreachable_code)]
+
+// Test that we can extract a ! through pattern matching then use it as several different types.
+
+#![feature(never_type)]
+
+fn main() {
+ let x: Result<u32, !> = Ok(123);
+ match x {
+ Ok(z) => (),
+ Err(y) => {
+ let q: u32 = y;
+ let w: i32 = y;
+ let e: String = y;
+ y
+ },
+ }
+}