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Greg Badros <gjb@cs.washington.edu> writes: > Perhaps add-hook! could return the procedure that was added -- it would > facilitate later removing closures that are added. I could do: > > (define foo (add-hook! window-close-hook (lambda (win) (display win)))) > > (remove-hook! foo) The goal for Guile is to support good programming style, not to save typing. `add-hook!' sounds like an operation which adds something to a hook. You don't expect it to return anything. Currently, you can do: (define foo (lambda (win) (display win))) (add-hook! window-close-hook foo) (remove-hook! foo) To me, this actually looks better than the example above since it is more readable. /mdj