You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
22 lines
540 B
Racket
22 lines
540 B
Racket
#lang reader (submod "racket.rkt" reader)
|
|
(require "utils.rkt")
|
|
(provide (all-defined-out))
|
|
|
|
#|
|
|
approximates
|
|
https://github.com/mbutterick/restructure/blob/master/src/Reserved.coffee
|
|
|#
|
|
|
|
(define-subclass xenomorph-base% (Reserved type [count 1])
|
|
|
|
(define/augment (decode port parent)
|
|
(pos port (+ (pos port) (size #f parent)))
|
|
(void))
|
|
|
|
(define/augment (size [val #f] [parent #f])
|
|
(* (send type size) (resolve-length count #f parent)))
|
|
|
|
(define/augment (encode port val [parent #f])
|
|
(make-bytes (size val parent) 0)))
|
|
|