+> *Many of these were updated or first posted on Mon 23 March.*
+
+> Topics: [[Combinatory evaluator|topics/week7_combinatory_evaluator]]; [[Introducing Monads|topics/week7_introducing_monads]]; [[Homework|exercises/assignment7]]; [[Environments and Closures|topics/week7_environments_and_closures]]; [[Untyped lambda evaluator|topics/week7_untyped_evaluator]]