error: expected one of `:` or `@`, found `)`
  --> $DIR/anon-params-denied-2018.rs:6:15
   |
LL |     fn foo(i32);
   |            ---^ expected one of `:` or `@` here
   |            |
   |            help: explicitly ignore parameter: `_: i32`
   |
   = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)

error: expected one of `:` or `@`, found `,`
  --> $DIR/anon-params-denied-2018.rs:8:36
   |
LL |     fn bar_with_default_impl(String, String) {}
   |                              ------^ expected one of `:` or `@` here
   |                              |
   |                              help: explicitly ignore parameter: `_: String`
   |
   = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)

error: aborting due to 2 previous errors