2.7 Helpers

(require web-server/servlet/helpers)

"servlet/helpers.ss" provides functions built on "servlet/web.ss" that are useful in many servlets.

(redirect-to   uri            [ perm/temp             #:headers headers])   →   response?

uri : string?

perm/temp : redirection-status? = temporarily

headers : (listof header?) = (list)

Generates an HTTP response that redirects the browser to uri, while including the headers in the response.

(redirection-status? v) → boolean?

v : any/c

Determines if v is one of the following values.

permanently : redirection-status?

A redirection-status? for permanent redirections.

temporarily : redirection-status?

A redirection-status? for temporary redirections.

see-other : redirection-status?

A redirection-status? for "see-other" redirections.

(with-errors-to-browser   send/finish-or-back             thunk)   →   any

send/finish-or-back : (response? . -> . void?)

thunk : (-> any)

Calls thunk with an exception handler that generates an HTML error page and calls send/finish-or-back.