(**Week 12**) Thursday April 23
-> Topics: Mutation and hyper-synonymy; [[Abortable list traversals|/topics/week12_abortable_traversals]]; List and tree zippers; Homework
+> Topics: Mutation and hyper-synonymy (no notes); [[Abortable list traversals|/topics/week12_abortable_traversals]]; [[List and tree zippers|/topics/week12_list_and_tree_zippers]]; [[Homework|exercises/assignment12]]
+
+> For amusement/tangential edification: [xkcd on code quality](https://xkcd.com/1513/); [turning a sphere inside out](https://www.youtube.com/watch?v=-6g3ZcmjJ7k)
+
+(**Week 13**) Thursday April 30
+
+> Topics: [[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
+
+(**Week 14**) Thursday May 7
+
+> Topics: Continuations (continued)
+
+(**Makeup class**) Monday May 11, 2--5 pm
+
+> Topics: Linguistic applications of continuations
## Course Overview ##