Hey everyone,
I am a beginner in Racket and recently learned the basic concepts of
continuations. I like Racket's support of multiple types of continuations as
opposed one type in Scheme. Recently I also started learning about typed
Racket. My problem is, I am not sure how I can annotate a continuation in a
typed racket program. For example, when trying to annotate the below code:
#lang racket
(define d-or-s #f)
(define (double-or-same x)
(call/cc (lambda (c)
(set! d-or-s c)
(+ x x))))
in typed racket, I can see that double-or-same function can have type (Integer
-> Integer). But what should be the type of the variable do-or-s? If it is Any,
then it cannot be called like a function after the continuation is set to it.
So basically my question is how can we type annotate different types of
continuations starting from a simple one like the above? Also a pointer to the
relevant section in typed racket docs would be great.
Thanks!
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