src/test/ui/suggestions/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.stderr

   1 error[E0277]: `fn() -> impl Future {foo}` is not a future
   2   --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:10:9
   3    |
   4 LL | async fn foo() {}
   5    |          --- consider calling this function
   6 LL |
   7 LL | fn bar(f: impl Future<Output=()>) {}
   8    |                ----------------- required by this bound in `bar`
   9 ...
  10 LL |     bar(foo);
  11    |         ^^^ `fn() -> impl Future {foo}` is not a future
  12    |
  13    = help: the trait `Future` is not implemented for `fn() -> impl Future {foo}`
  14 help: use parentheses to call the function
  15    |
  16 LL |     bar(foo());
  17    |            ^^
  18
  19 error[E0277]: `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:36]` is not a future
  20   --> $DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:12:9
  21    |
  22 LL | fn bar(f: impl Future<Output=()>) {}
  23    |                ----------------- required by this bound in `bar`
  24 ...
  25 LL |     let async_closure = async || ();
  26    |                         -------- consider calling this closure
  27 LL |     bar(async_closure);
  28    |         ^^^^^^^^^^^^^ `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:36]` is not a future
  29    |
  30    = help: the trait `Future` is not implemented for `[closure@$DIR/async-fn-ctor-passed-as-arg-where-it-should-have-been-called.rs:11:25: 11:36]`
  31 help: use parentheses to call the closure
  32    |
  33 LL |     bar(async_closure());
  34    |                      ^^
  35
  36 error: aborting due to 2 previous errors
  37
  38 For more information about this error, try `rustc --explain E0277`.