:tada: Hello and welcome to Jim Briggs' blog! :tada:

My Blog Posts

  • How to do Polymorphism in Clojure (3/3)

    This three part series of blog posts is a tutorial on how Clojure tackles the problem of polymorphism by implementing the Number system from SICP in Clojure using its protocols and multiple dispatch features. The Number system has exactly the right level of complexity to require the use of all of Clojure's features for polymorphism.
    In Part 3, I extend the system so that you can perform arithmetic operations with mixed data types. I use Clojure's dispatch hierarchy here to build a system for promoting and demoting number types so we can perform these arithmetic operations.

    Nov 23, 2016

  • How to do Polymorphism in Clojure (2/3)

    This three part series of blog posts is a tutorial on how Clojure tackles the problem of polymorphism by implementing the Number system from SICP in Clojure using its protocols and multiple dispatch features. The Number system has exactly the right level of complexity to require the use of all of Clojure's features for polymorphism.
    In Part 2, I extend the system to have more number types and introduce Multiple Dispatch so that there is a common language for performing arithmetic operations on all the number types.

    Nov 22, 2016

  • How to do Polymorphism in Clojure (1/3)



    This three part series of blog posts is a tutorial on how Clojure tackles the problem of polymorphism by implementing the Number system from SICP in Clojure using its protocols and multiple dispatch features. The Number system has exactly the right level of complexity to require the use of all of Clojure's features for polymorphism.
    In Part 1, I implement Complex Numbers with two different representations, and show how to abstract away the difference using Protocols. In the end we end up with a system that can add, divide, and multiply complex numbers regardless of their internal representation.

    Nov 21, 2016

  • Experiments with Julia

    In this post I do performance experiments with the SIMD support the programming language Julia and compare the speed to equivalent code written in C++.

    Nov 21, 2015

  • Hello

    Hello, World!

    Nov 20, 2015

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