Slides - Common Lisp.net

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Actions• Every user action (following a link,submitting a form) calls an action.• An action can pass control to anothercomponent (call), or return control (answer).• When a component passes control toanother component it is replaced by theother camponent.
BacktrackingDealing with users who go back and take a different road.• When a page is generated the state of theapplication is saved.• Before handling an action the state of theapplication is restored to what is was.
Page 1 and 2: UnCommon Webor: How I Learned to St
Page 3 and 4: The Problem• The tools don’t al
Page 5 and 6: What do we want to say?An applicati
Page 7 and 8: Continuations• Continuations are
Page 10 and 11: Example(defaction purchase (cart)(s
Page 12 and 13: Continuations in UCW• Simulated b
Page 16 and 17: Rendering• Every component must,
Page 18 and 19: TALTemplating library which puts co
Page 20 and 21: The RERL Protocol• The handling o
Page 22 and 23: class request-contextall the inform
Page 24 and 25: class session-framea single interac
Page 26 and 27: class applicationset of entry-point

Slides - Common Lisp.net

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