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[rust.git] / tests / ui / toplevel_ref_arg.rs

diff --git a/tests/ui/toplevel_ref_arg.rs b/tests/ui/toplevel_ref_arg.rs
index 9f92d706ad6278db00832788fbe205464a40fdd7..59759f1189333539a3b3c718e252f1fdb11fbfb1 100644 (file)
--- a/tests/ui/toplevel_ref_arg.rs
+++ b/tests/ui/toplevel_ref_arg.rs
@@ -1,38 +1,29 @@
-// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// run-rustfix
 
+#![warn(clippy::toplevel_ref_arg)]
 
-#![feature(tool_lints)]
-
+fn main() {
+    // Closures should not warn
+    let y = |ref x| println!("{:?}", x);
+    y(1u8);
 
-#![warn(clippy::all)]
-#![allow(unused)]
+    let ref _x = 1;
 
-fn the_answer(ref mut x: u8) {
-  *x = 42;
-}
+    let ref _y: (&_, u8) = (&1, 2);
 
-fn main() {
-  let mut x = 0;
-  the_answer(x);
-  // Closures should not warn
-  let y = |ref x| { println!("{:?}", x) };
-  y(1u8);
+    let ref _z = 1 + 2;
 
-  let ref x = 1;
+    let ref mut _z = 1 + 2;
 
-  let ref y: (&_, u8) = (&1, 2);
+    let (ref x, _) = (1, 2); // ok, not top level
+    println!("The answer is {}.", x);
 
-  let ref z = 1 + 2;
+    let ref _x = vec![1, 2, 3];
 
-  let ref mut z = 1 + 2;
+    // Make sure that allowing the lint works
+    #[allow(clippy::toplevel_ref_arg)]
+    let ref mut _x = 1_234_543;
 
-  let (ref x, _) = (1,2); // okay, not top level
-  println!("The answer is {}.", x);
+    // ok
+    for ref _x in 0..10 {}
 }