23 lines
481 B
Scheme
23 lines
481 B
Scheme
#lang scheme/base
|
|
(require scheme/contract
|
|
web-server/http)
|
|
|
|
(define k-url?
|
|
string?)
|
|
|
|
(define response-generator/c
|
|
(k-url? . -> . response/c))
|
|
|
|
(define expiration-handler/c
|
|
(or/c false/c
|
|
(request? . -> . response/c)))
|
|
|
|
(define embed/url/c
|
|
(((request? . -> . any/c)) (expiration-handler/c) . ->* . string?))
|
|
|
|
(provide/contract
|
|
[response-generator/c contract?]
|
|
[k-url? (any/c . -> . boolean?)]
|
|
[expiration-handler/c contract?]
|
|
[embed/url/c contract?])
|