this post was submitted on 26 Jun 2023
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At university the by far coolest and most fun course was compiler construction. We had to write something which would compile a small subset of Java (Javalette) into the Java Virtual Machine instruction set.
I wrote my compiler in Haskell because it seemed that it'd be much less hassle compared to do it in a object oriented or procedual language.
It ain't pretty but it's honest work: https://github.com/jeena/CC/blob/master/Compiler.hs
That is not a feeling I'd associate with Haskell!!
But it definitely was, oh and when you compared the results, I don't remember the exact number anymore but compared to especially the solutions in Java and C++ the haskell ones used around 1/10 of the lines of code to solve this particular problem. Because in the end this problem really has a recursive nature.
I have an idea for a Rust-like language with total functional methods bouncing around in my head. Lord knows when I'll get around to building it.