src/test/ui/type-alias-impl-trait/wf-check-fn-def.stderr

   1 error[E0277]: the trait bound `B: Bar` is not satisfied
   2   --> $DIR/wf-check-fn-def.rs:11:5
   3    |
   4 LL |     mop // NOTE: no function pointer, but function zst item
   5    |     ^^^ the trait `Bar` is not implemented for `B`
   6    |
   7 note: required by a bound in `mop`
   8   --> $DIR/wf-check-fn-def.rs:10:15
   9    |
  10 LL |     fn mop<B: Bar>(bar: B) { bar.bar() }
  11    |               ^^^ required by this bound in `mop`
  12 help: consider restricting type parameter `B`
  13    |
  14 LL | type FooFn<B: Bar> = impl FnOnce(B);
  15    |             +++++
  16
  17 error: aborting due to previous error
  18
  19 For more information about this error, try `rustc --explain E0277`.