Test for trait method decl/impl for borrowed box.

rust-lang · Jun 12, 2017 · 5db8647 · 5db8647
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commit 5db8647
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diff --git a/clippy_tests/examples/borrow_box.rs b/clippy_tests/examples/borrow_box.rs
@@ -18,6 +18,16 @@ struct Test3<'a> {
     foo: &'a Box<bool>
 }
 
+trait Test4 {
+    fn test4(a: &Box<bool>);
+}
+
+impl<'a> Test4 for Test3<'a> {
+    fn test4(a: &Box<bool>) {
+        unimplemented!();
+    }
+}
+
 fn main(){
     test1(&mut Box::new(false));
     test2();

diff --git a/clippy_tests/examples/borrow_box.stderr b/clippy_tests/examples/borrow_box.stderr
@@ -22,6 +22,12 @@ error: you seem to be trying to use `&Box<T>`. Consider using just `&T`
 18 |     foo: &'a Box<bool>
    |          ^^^^^^^^^^^^^ help: try `&'a bool`
 
+error: you seem to be trying to use `&Box<T>`. Consider using just `&T`
+  --> borrow_box.rs:22:17
+   |
+22 |     fn test4(a: &Box<bool>);
+   |                 ^^^^^^^^^^ help: try `&bool`
+
 error: aborting due to previous error(s)
 
 error: Could not compile `clippy_tests`.