+* Continuations
+ * [[Abortable list traversals|/topics/week12_abortable_traversals]]
+ * [[List and tree zippers|/topics/week12_list_and_tree_zippers]]
+ * [[From list zippers to continuations|topics/week13_from_list_zippers_to_continuations]]
+ * [[Coroutines, exceptions, and aborts|topics/week13_coroutines_exceptions_and_aborts]]
+ * [[Let/cc and reset/shift|topics/week13_native_continuation_operators]]
+ * CPS transforms
+
+
+