about summary refs log tree commit diff
path: root/src/test/ui/nll/rc-loop.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ui/nll/rc-loop.rs')
-rw-r--r--src/test/ui/nll/rc-loop.rs28
1 files changed, 0 insertions, 28 deletions
diff --git a/src/test/ui/nll/rc-loop.rs b/src/test/ui/nll/rc-loop.rs
deleted file mode 100644
index e59303d1f78..00000000000
--- a/src/test/ui/nll/rc-loop.rs
+++ /dev/null
@@ -1,28 +0,0 @@
-// run-pass
-
-// A test for something that NLL enables. It sometimes happens that
-// the `while let` pattern makes some borrows from a variable (in this
-// case, `x`) that you need in order to compute the next value for
-// `x`.  The lexical checker makes this very painful. The NLL checker
-// does not.
-
-use std::rc::Rc;
-
-#[derive(Debug, PartialEq, Eq)]
-enum Foo {
-    Base(usize),
-    Next(Rc<Foo>),
-}
-
-fn find_base(mut x: Rc<Foo>) -> Rc<Foo> {
-    while let Foo::Next(n) = &*x {
-        x = n.clone();
-    }
-    x
-}
-
-fn main() {
-    let chain = Rc::new(Foo::Next(Rc::new(Foo::Base(44))));
-    let base = find_base(chain);
-    assert_eq!(&*base, &Foo::Base(44));
-}