iterate List by value

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

diff --git a/tests/ui/needless_borrow.rs b/tests/ui/needless_borrow.rs
index 1fc36c0be1854ba4ed84bdda7e23d139af6f0d8a..1e281316c8a39c10e053d2d529896c93b19b1400 100644 (file)
--- a/tests/ui/needless_borrow.rs
+++ b/tests/ui/needless_borrow.rs
@@ -1,11 +1,12 @@
-#![feature(plugin)]
-#![plugin(clippy)]
+// run-rustfix
+
+#![allow(clippy::needless_borrowed_reference)]
 
 fn x(y: &i32) -> i32 {
     *y
 }
 
-#[deny(clippy)]
+#[warn(clippy::all, clippy::needless_borrow)]
 #[allow(unused_variables)]
 fn main() {
     let a = 5;
@@ -18,9 +19,18 @@ fn main() {
     let vec_val = g(&vec); // should not error, because `&Vec<T>` derefs to `&[T]`
     h(&"foo"); // should not error, because the `&&str` is required, due to `&Trait`
     if let Some(ref cake) = Some(&5) {}
+    let garbl = match 42 {
+        44 => &a,
+        45 => {
+            println!("foo");
+            &&a // FIXME: this should lint, too
+        },
+        46 => &&a,
+        _ => panic!(),
+    };
 }
 
-fn f<T:Copy>(y: &T) -> T {
+fn f<T: Copy>(y: &T) -> T {
     *y
 }
 
@@ -32,8 +42,8 @@ trait Trait {}
 
 impl<'a> Trait for &'a str {}
 
-fn h(_: &Trait) {}
-
+fn h(_: &dyn Trait) {}
+#[warn(clippy::needless_borrow)]
 #[allow(dead_code)]
 fn issue_1432() {
     let mut v = Vec::<String>::new();
@@ -42,3 +52,10 @@ fn issue_1432() {
 
     let _ = v.iter().filter(|&a| a.is_empty());
 }
+
+#[allow(dead_code)]
+#[warn(clippy::needless_borrow)]
+#[derive(Debug)]
+enum Foo<'a> {
+    Str(&'a str),
+}