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(define-module (data functor)
#:use-module (oop goops)
#:use-module (srfi srfi-1)
#:export (fmap <$>))
;;; We don't overwrite the default map since that creates way to many
;;; namespace problems.
(define-generic fmap)
(define <$> fmap)
;;; Default fallback for fmap is regular (srfi-1) map.
(define-method (fmap f . lists)
(apply map f lists))
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