simple-configuration /

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This is a small scheme library to hande configurations in a simple manner. It uses lists as the basic datastructure to hold configurations.


(define my-config
      (username "prod")
      (password "prodpwd")
      (host "")))
      (username "dev")
      (password "devpwd")
      (host "")))
   (destination "/var/log/application.log")
   (levels (error warning)))))

;; now you can access the data like so

(config-ref my-config '(production database username)) ;; => "prod"
(config-ref my-config '(production database))          ;; => (username "prod")
(config-ref my-config '(production database))   ;; => ((username "prod") (password "prodpwd") (host ""))

(config-let my-config ((db-user (production database username))
                       (db-pw   (production database password))
                       (db-host (production database host)))
  (connect-to-database db-host db-user db-pw))

;; postprocess data
(config-ref my-config '(logging levels) post-process: (lambda (ls) (cons 'critical ls))) ;; => (critical error warning)
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