Merge pull request #278 from dtolnay/arbself

Ignore needless_arbitrary_self_type clippy lint in generated code

Author: dtolnay

src/expand.rs

@@ -129,6 +129,7 @@ fn lint_suppress_with_body() -> Attribute {
  clippy::async_yields_async,
  clippy::diverging_sub_expression,
  clippy::let_unit_value,
+ clippy::needless_arbitrary_self_type,
  clippy::no_effect_underscore_binding,
  clippy::shadow_same,
  clippy::type_complexity,

tests/test.rs

@@ -1641,3 +1641,22 @@ pub mod issue266 {
  }
  }
 }
+
+// https://github.com/dtolnay/async-trait/issues/277
+pub mod issue277 {
+ use async_trait::async_trait;
+
+ #[async_trait]
+ pub trait Trait {
+ async fn f(&self);
+ }
+
+ #[async_trait]
+ impl Trait for () {
+ async fn f(mut self: &Self) {
+ g(&mut self);
+ }
+ }
+
+ fn g(_: &mut &()) {}
+}