racket/collects/web-server/servlet/servlet-structs.rkt
2010-12-07 14:14:55 -07:00

25 lines
535 B
Racket

#lang racket/base
(require racket/contract
web-server/http)
(define (real-any->response x)
#f)
(define (any->response x)
(if (response? x)
x
(real-any->response x)))
(define (set-any->response! f)
(set! real-any->response f))
(define (can-be-response? x)
(or (response? x)
(and (any->response x)
#t)))
(provide/contract
[any->response (-> any/c (or/c false/c response?))]
[set-any->response! (-> (-> any/c (or/c false/c response?)) void)]
[can-be-response? (-> any/c boolean?)])