Hello,
I am having problems with the from-interfaces for mixins.
I want to make a function that uses functions defined in drracket:unit:frame<%>
but itself is called by a function defined in drracket:unit:tab<%>
So I just tried to make a mixin:
(define on-break-mixin
(mixin (drracket:unit:frame<%>) (drracket:unit:tab<%>)
(super-new)
(inherit get-current-tab) ;unit-frame function
(inherit get-defs) ; unit-tab function
(define/override (break-callback)
...
)
Yet, I get error messages on start-up that the stuff from unit-tab is not in
any of the from-interfaces.
How can I access stuff from a superclass in the child class or vice versa?
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