Do not add block around async closure (#3946)

rust-lang · Dec 2, 2019 · 731f155 · 731f155
1 parent e47aae7
commit 731f155
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 0 deletions.
diff --git a/src/closures.rs b/src/closures.rs
@@ -170,6 +170,7 @@ fn rewrite_closure_expr(
     fn allow_multi_line(expr: &ast::Expr) -> bool {
         match expr.kind {
             ast::ExprKind::Match(..)
+            | ast::ExprKind::Async(..)
             | ast::ExprKind::Block(..)
             | ast::ExprKind::TryBlock(..)
             | ast::ExprKind::Loop(..)

diff --git a/tests/target/async_closure.rs b/tests/target/async_closure.rs
@@ -15,4 +15,8 @@ fn main() {
         let x = 3;
         x
     };
+
+    let f = |x| async {
+        println!("hello, world");
+    };
 }