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-rw-r--r--src/test/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs b/src/test/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs
new file mode 100644
index 000000000..4367596c6
--- /dev/null
+++ b/src/test/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs
@@ -0,0 +1,21 @@
+// run-pass
+
+fn mut_head_tail<'a, A>(v: &'a mut [A]) -> Option<(&'a mut A, &'a mut [A])> {
+ match *v {
+ [ref mut head, ref mut tail @ ..] => {
+ Some((head, tail))
+ }
+ [] => None
+ }
+}
+
+fn main() {
+ let mut v = [1,2,3,4];
+ match mut_head_tail(&mut v) {
+ None => {},
+ Some((h,t)) => {
+ *h = 1000;
+ t.reverse();
+ }
+ }
+}