Efficient Multimethods in
a Single Dispatch Language
Landmarks
Let’s Get Serious
Motivation: A Simple
Scotsman
A Simple Irishman
A Simple, but Naïve Test
A Simple, Unsuccessful
Variation
A Useless Overload
A Type Case
The Olfactory Method
Double Dispatch
Dynamic Multidispatch?
Syntax Matters
Multimethods in Smalltalk
Browsing Multimethods
Visitor: Before
Visitor: After
A Language Built of
Objects
Objects We Built
Slide 20
Slide 21
N-Way Multidispatch
Generated Redispatching
Methods
Performance
Lessons
I Have Nothing to Declare
Acknowledgements