s/async fn/async fn/

Author: nikomatsakis

src/librustc/hir/mod.rs

@@ -1404,7 +1404,7 @@ impl fmt::Display for AsyncGeneratorKind {
         f.write_str(match self {
             AsyncGeneratorKind::Block => "`async` block",
             AsyncGeneratorKind::Closure => "`async` closure body",
-            AsyncGeneratorKind::Fn => "`async` fn body",
+            AsyncGeneratorKind::Fn => "`async fn` body",
         })
     }
 }

src/test/ui/async-await/async-error-span.rs

@@ -9,7 +9,7 @@ fn get_future() -> impl Future<Output = ()> {
 }
 
 async fn foo() {
-    let a; //~ ERROR type inside `async` fn body must be known in this context
+    let a; //~ ERROR type inside `async fn` body must be known in this context
     get_future().await;
 }
 

src/test/ui/async-await/async-error-span.stderr

@@ -1,10 +1,10 @@
-error[E0698]: type inside `async` fn body must be known in this context
+error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/async-error-span.rs:12:9
    |
 LL |     let a;
    |         ^ cannot infer type
    |
-note: the type is part of the `async` fn body because of this `await`
+note: the type is part of the `async fn` body because of this `await`
   --> $DIR/async-error-span.rs:13:5
    |
 LL |     get_future().await;

src/test/ui/async-await/unresolved_type_param.rs

@@ -7,9 +7,9 @@ async fn bar<T>() -> () {}
 
 async fn foo() {
     bar().await;
-    //~^ ERROR type inside `async` fn body must be known in this context
+    //~^ ERROR type inside `async fn` body must be known in this context
     //~| NOTE cannot infer type for `T`
-    //~| NOTE the type is part of the `async` fn body because of this `await`
+    //~| NOTE the type is part of the `async fn` body because of this `await`
     //~| NOTE in this expansion of desugaring of `await`
 }
 fn main() {}

src/test/ui/async-await/unresolved_type_param.stderr

@@ -1,10 +1,10 @@
-error[E0698]: type inside `async` fn body must be known in this context
+error[E0698]: type inside `async fn` body must be known in this context
   --> $DIR/unresolved_type_param.rs:9:5
    |
 LL |     bar().await;
    |     ^^^ cannot infer type for `T`
    |
-note: the type is part of the `async` fn body because of this `await`
+note: the type is part of the `async fn` body because of this `await`
   --> $DIR/unresolved_type_param.rs:9:5
    |
 LL |     bar().await;