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-rw-r--r--tests/ui/pattern/bindings-after-at/slice-patterns.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/pattern/bindings-after-at/slice-patterns.rs b/tests/ui/pattern/bindings-after-at/slice-patterns.rs
new file mode 100644
index 000000000..4f4c96e45
--- /dev/null
+++ b/tests/ui/pattern/bindings-after-at/slice-patterns.rs
@@ -0,0 +1,39 @@
+// Test bindings-after-at with slice-patterns
+
+// run-pass
+
+
+#[derive(Debug, PartialEq)]
+enum MatchArm {
+ Arm(usize),
+ Wild,
+}
+
+fn test(foo: &[i32]) -> MatchArm {
+ match foo {
+ [bar @ .., n] if n == &5 => {
+ for i in bar {
+ assert!(i < &5);
+ }
+
+ MatchArm::Arm(0)
+ },
+ bar @ [x0, .., xn] => {
+ assert_eq!(x0, &1);
+ assert_eq!(x0, &1);
+ assert_eq!(xn, &4);
+ assert_eq!(bar, &[1, 2, 3, 4]);
+
+ MatchArm::Arm(1)
+ },
+ _ => MatchArm::Wild,
+ }
+}
+
+fn main() {
+ let foo = vec![1, 2, 3, 4, 5];
+
+ assert_eq!(test(&foo), MatchArm::Arm(0));
+ assert_eq!(test(&foo[..4]), MatchArm::Arm(1));
+ assert_eq!(test(&foo[0..1]), MatchArm::Wild);
+}