22 lines
458 B
Racket
22 lines
458 B
Racket
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#lang racket
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;;; dds/generic
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;;; Provides the definition of several generic interfaces for discrete
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;;; dynamical systems.
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(require racket/generic)
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(provide
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;; Generics
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gen:dds
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;; Functions
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(contract-out [dds-step (-> dds? any/c (set/c any/c))])
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;; Predicates
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(contract-out [dds? (-> any/c boolean?)]))
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;;; A discrete dynamical system.
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(define-generics dds
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;; Given a state and a dds, produce the next states of the dds.
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(dds-step dds state))
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