chickadee » call-with-query » query-any

Return the first client or server parameter (see above) corresponding to the key.

key

The key whose value to extract

default

A default value if key doesn't exist

(define query-any
  (case-lambda
    ((query key) (alist-any (query-promiscuous query) key))
    ((query key default) (alist-any (query-promiscuous query) key default))))