This works fine for me in version 6.1.0.5: #lang typed/racket (require typed/racket/snip) (define snip (new snip%)) (define admin (send snip get-admin)) (define editor (and admin (send admin get-editor))) (when editor (send editor set-caret-owner #f))
On Aug 19, 2014, at 1:32 PM, Neil Toronto <[email protected]> wrote: > I'm making a snip in Typed Racket. I have essentially this: > > (define admin (send this get-admin)) > (define editor (and admin (send admin get-editor))) > (when editor > (send editor set-caret-owner #f)) > > I get this error: > > Type Checker: send: type mismatch > expected: an object > given: (U (Instance Text%) (Instance Pasteboard%)) in: > (send editor set-caret-owner #f) > > It's unexpected in the first place because text% and pasteboard% both > implement editor<%>. Guarding with (is-a? editor text%) doesn't work. Casting > doesn't work because TR can't generate a contract. How do I do this? > > Neil ⊥ > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users

