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authorOneirical <manchot@videotron.ca>2025-08-20 14:02:44 -0400
committerOneirical <manchot@videotron.ca>2025-08-27 15:06:05 -0400
commit2dc4638c4637bf8ddb83577535317dad21abdf6d (patch)
tree30a4419aabfa94d24825735bc504909189dcaa74 /tests/ui/array-slice-vec/fixed-length-vector-pattern-matching-7784.rs
parente8a792daf500b5ff8097896ddb6cc037abe92487 (diff)
downloadrust-2dc4638c4637bf8ddb83577535317dad21abdf6d.tar.gz
rust-2dc4638c4637bf8ddb83577535317dad21abdf6d.zip
Add test batch 2
Diffstat (limited to 'tests/ui/array-slice-vec/fixed-length-vector-pattern-matching-7784.rs')
-rw-r--r--tests/ui/array-slice-vec/fixed-length-vector-pattern-matching-7784.rs31
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/ui/array-slice-vec/fixed-length-vector-pattern-matching-7784.rs b/tests/ui/array-slice-vec/fixed-length-vector-pattern-matching-7784.rs
new file mode 100644
index 00000000000..7d987e92b63
--- /dev/null
+++ b/tests/ui/array-slice-vec/fixed-length-vector-pattern-matching-7784.rs
@@ -0,0 +1,31 @@
+// https://github.com/rust-lang/rust/issues/7784
+//@ run-pass
+
+use std::ops::Add;
+
+fn foo<T: Add<Output=T> + Clone>([x, y, z]: [T; 3]) -> (T, T, T) {
+    (x.clone(), x.clone() + y.clone(), x + y + z)
+}
+fn bar(a: &'static str, b: &'static str) -> [&'static str; 4] {
+    [a, b, b, a]
+}
+
+fn main() {
+    assert_eq!(foo([1, 2, 3]), (1, 3, 6));
+
+    let [a, b, c, d] = bar("foo", "bar");
+    assert_eq!(a, "foo");
+    assert_eq!(b, "bar");
+    assert_eq!(c, "bar");
+    assert_eq!(d, "foo");
+
+    let [a, _, _, d] = bar("baz", "foo");
+    assert_eq!(a, "baz");
+    assert_eq!(d, "baz");
+
+    let out = bar("baz", "foo");
+    let [a, xs @ .., d] = out;
+    assert_eq!(a, "baz");
+    assert_eq!(xs, ["foo", "foo"]);
+    assert_eq!(d, "baz");
+}