From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../borrowck-slice-pattern-element-loan-rpass.rs | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 tests/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs (limited to 'tests/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs') diff --git a/tests/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs b/tests/ui/borrowck/borrowck-slice-pattern-element-loan-rpass.rs new file mode 100644 index 000000000..4367596c6 --- /dev/null +++ b/tests/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(); + } + } +} -- cgit v1.2.3