Add an example of the toplevel_ref_arg lint.

2024-11-10 07:04:18 +00:00 · 2014-12-24 17:48:03 -08:00 · 2014-12-24 17:48:03 -08:00 · 8770f79467
commit 8770f79467
parent 6f9984981e
1 changed files with 14 additions and 0 deletions
--- a/examples/toplevel_ref_arg.rs
+++ b/examples/toplevel_ref_arg.rs
@ -0,0 +1,14 @@
+#![feature(phase)]
+
+#[phase(plugin)]
+extern crate rust_clippy;
+
+fn the_answer(ref mut x: u8) {
+  *x = 42;
+}
+
+fn main() {
+  let mut x = 0;
+  the_answer(x);
+  println!("The answer is {}.", x);
+}