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add #:transparent to aid debugging

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Robby Findler 2017-01-11 12:05:24 -06:00
parent 21862ca291
commit 6ad4f1edaa
1 changed files with 1 additions and 1 deletions
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gui-lib/framework/preferences.rkt
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@ -71,7 +71,7 @@ the state transitions / contracts are:
;; pref-callback : (make-pref-callback (union (weak-box (sym tst -> void)) (sym tst -> void)))
;; this is used as a wrapped to deal with the problem that different procedures might be eq?.
(define-struct pref-callback (cb))
(define-struct pref-callback (cb) #:transparent)
;; used to detect missing hash entries
(define none (gensym 'none))