Erm, set-box! not box-set! My bad.
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#%top provides fallback behavior at compile time, but only in expression
positions. I think what you want can be done by doing this:
- Under the hood, make variables immutable and have their values be boxes.
- Have (set! x:id expr) and (define x:id expr) both expand to (box-set! x
expr). This
On Thursday, June 2, 2016 at 10:06:25 AM UTC-7, Matthew Butterick wrote:
> I have a solution to this problem — is it legit, or is there some slick
> Rackety technique I'm missing?
>
> I'm making a toy #lang interpreter for Basic, which allows variables to be
> created with an assignment
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