error[E0004]: non-exhaustive patterns: `Bar { bar: C, .. }`, `Bar { bar: D, .. }`, `Bar { bar: E, .. }` and 1 more not covered
  --> $DIR/issue-39362.rs:10:11
   |
LL | / enum Foo {
LL | |     Bar { bar: Bar, id: usize }
LL | | }
   | |_- `Foo` defined here
...
LL |       match f {
   |             ^ patterns `Bar { bar: C, .. }`, `Bar { bar: D, .. }`, `Bar { bar: E, .. }` and 1 more not covered
   |
   = note: the matched value is of type `Foo`
help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
   |
LL ~         Foo::Bar { bar: Bar::B, .. } => (),
LL ~         _ => todo!(),
   |

error: aborting due to previous error

For more information about this error, try `rustc --explain E0004`.