More notes.
More emoji.
Context & presenter notes for memoization in ObjC.
Memoization in Swift.
Nullability in Swift.
Emoji.
Fixpoints in Swift.
Comparison slides for nullability without fixpoints.
Parse forest in Swift.
Compaction in Swift.
Reduce by construction.
I was looking for a place to use the :rocket:.
Brevity.
Add in the other ObjC compactions.
Compact other repetitions.