summaryrefslogtreecommitdiffstats
path: root/src/test/ui/issues/issue-15571.rs
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/test/ui/issues/issue-15571.rs58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-15571.rs b/src/test/ui/issues/issue-15571.rs
new file mode 100644
index 000000000..5381d6523
--- /dev/null
+++ b/src/test/ui/issues/issue-15571.rs
@@ -0,0 +1,58 @@
+// run-pass
+#![feature(box_syntax)]
+
+fn match_on_local() {
+ let mut foo: Option<Box<_>> = Some(box 5);
+ match foo {
+ None => {},
+ Some(x) => {
+ foo = Some(x);
+ }
+ }
+ println!("'{}'", foo.unwrap());
+}
+
+fn match_on_arg(mut foo: Option<Box<i32>>) {
+ match foo {
+ None => {}
+ Some(x) => {
+ foo = Some(x);
+ }
+ }
+ println!("'{}'", foo.unwrap());
+}
+
+fn match_on_binding() {
+ match Some(Box::new(7)) {
+ mut foo => {
+ match foo {
+ None => {},
+ Some(x) => {
+ foo = Some(x);
+ }
+ }
+ println!("'{}'", foo.unwrap());
+ }
+ }
+}
+
+fn match_on_upvar() {
+ let mut foo: Option<Box<_>> = Some(box 8);
+ let f = move|| {
+ match foo {
+ None => {},
+ Some(x) => {
+ foo = Some(x);
+ }
+ }
+ println!("'{}'", foo.unwrap());
+ };
+ f();
+}
+
+fn main() {
+ match_on_local();
+ match_on_arg(Some(box 6));
+ match_on_binding();
+ match_on_upvar();
+}