Merge pull request rust-lang#70 from wheals/23175

23175
bltavares · Oct 26, 2015 · 498a336 · 498a336
2 parents 6fd8f0f + 689af05
commit 498a336
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/src/23175.rs b/src/23175.rs
@@ -0,0 +1,21 @@
+enum Foo {
+    NotLast(Box<Foo>),
+    Last(u32)
+}
+
+fn x(tree: &mut Foo) {
+    let mut current = tree;
+
+    loop {
+        match current {
+            &mut Foo::NotLast(ref mut inner) => {
+                current = &mut *inner;
+            },
+            &mut Foo::Last(ref mut val) => {
+                *val = 1;
+            },
+        }
+    }
+}
+
+fn main() {}