I'm confused about why the following program is blaming the server for the
client's misuse of an applicable struct instance. More generally, I've
tried doing this in several different ways, and I can't figure out how to
make applicable structs that are still protected by contracts after
deserialization and blame the client module for misusing them.
Thanks,
Philip
#lang racket
(module server racket
(require racket/serialize)
(provide (contract-out
[adder (-> natural-number/c (-> natural-number/c
natural-number/c))]))
(struct adder (base)
#:property prop:procedure
(λ (this x)
(+ (adder-base this) x))
#:property prop:serializable
(make-serialize-info (λ (this) (vector (adder-base this)))
#'deserialize-info:adder-v0
#f
(or (current-load-relative-directory)
(current-directory))))
(define/contract make-adder
(-> natural-number/c (-> natural-number/c
natural-number/c))
adder)
(define deserialize-info:adder-v0
(make-deserialize-info make-adder
(λ () (error 'adder
"can't have cycles"))))
(module+ deserialize-info
(provide deserialize-info:adder-v0)))
(require 'server racket/serialize)
((deserialize (serialize (adder 5))) 'not-a-number)
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