(import (json)
	(srfi 1)
	(srfi 2))
(begin
  (define json-object list)
  (define json-list vector)
  (define json-null 'null)
  (define json-object? list?)
  (define json-list? vector?)

  (define (json-null? obj)
    (eq? obj json-null))

  (define (json-object-cointains-key? obj key)
    (and (assoc key obj) #t))

  (define string->json json-string->scm)
  (define json->string scm->json-string)

  (define (json-object-ref json key)
    (or (and-let* ((pair (assoc key json)))
	  (cdr pair))
	((json-key-not-found))))

  (define json-list-ref vector-ref)
  (define json-list-length vector-length)
  (define json-object->alist values)
  (define json-list->list vector->list))