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(import (except (srfi 180) json-null)
(srfi 1)
(srfi 2))
(begin
(define (json-object . pairs)
(map
(lambda (pair)
(cons (string->symbol (car pair)) (cdr pair)))
pairs))
(define json-list vector)
(define json-null 'null)
(define json-object? list?)
(define json-list? vector?)
;; json-null? already defined in srfi 180
(define (json-object-contains-key? obj key)
(and (assoc (string->symbol key) obj) #t))
(define (string->json str)
(call-with-port (open-input-string str)
(lambda (port)
(json-read port))))
(define (json->string json)
(call-with-port (open-output-string)
(lambda (port)
(json-write json port)
(get-output-string port))))
(define (json-object-ref json key)
(let ((pair (assoc (string->symbol key) json)))
(if pair
(cdr pair)
((json-key-not-found)))))
(define json-list-ref vector-ref)
(define json-list-length vector-length)
(define (json-object->alist json)
(map
(lambda (pair)
(cons (symbol->string (car pair)) (cdr pair)))
json))
(define (json-list->list vector->list)))
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