#AFPElixir

Joseph Koski

@jkwa.bsky.social

5 months ago

Advanced Functional Programming with Elixir just climbed back to #1 on the @PragProg best seller list!
pragprog.com/best_sellers/

#afpelixir #elixirlang

Joseph Koski

@jkwa.bsky.social

5 months ago

Polymorphism and Behavior Injection When are two things the same?

Another deleted scene from my book:

There are many ways to solve equality: duck typing, injection, protocol dispatch.

Here's why Funx uses the one it does:

www.joekoski.com/blog/2025/09...

#elixirlang #funx #AFPElixir

Joseph Koski

@jkwa.bsky.social

6 months ago

What is going on? “They found me. I don’t know how, but they found me.” — Dr. Emmett Brown

Just checked in to see if Funx had hit 80 downloads.

Any ideas on what happened?
www.joekoski.com/blog/2025/09...

#elixirlang #funx #AFPElixir

Joseph Koski

@jkwa.bsky.social

6 months ago

What’s the point of a polymorphic eq? Why not keep equality inside the module where it belongs?

Some comments on an earlier post had me thinking about polymorphic equality in Elixir, and how == can fall short.
www.joekoski.com/blog/2025/08...

#elixirlang #AFPElixir

Joseph Koski

@jkwa.bsky.social

6 months ago

Just got The BEAM Book by Erik Stenman in the mail.
Time to go spelunking in the BEAM!

#elixirlang #erlang #beam #AFPElixir

Joseph Koski

@jkwa.bsky.social

6 months ago

Polymorphism and Structs in Elixir Polymorphism has always relied on tags. Elixir’s structs make them safer.

Follow-up post on polymorphism in Elixir. This one looks at how structs help avoid pitfalls from other languages.
www.joekoski.com/blog/2025/08...

#elixirlang #AFPElixir

Joseph Koski

@jkwa.bsky.social

6 months ago

I wrote this post about polymorphism in Elixir. Details I wish I had known five years ago.
www.joekoski.com/blog/2025/08...
#elixirlang #AFPElixir