Disassembly

Adventures in functional programming

Reading through Let over Lambda I ran into several instances where the author showed the disassembly of a bit of Lisp code. This struck me as awesome for several reasons and I wanted to do it myself. I initially thought I had to dig up a disassembler for my system (as I would have done it for C/C++) and I was blown away when I learnt that  there was a Lisp command for this!

I found getting the disassembly amazing because I didn’t think of Lisp – a dynamically typed high level language – as generating succinct machine code. I knew it could be compiled, but I expected the compilation to be something very messy, a bit like the C++ code that Cython generates for Python without the types put in – full of instruments to infer types at run time. Instead, what I saw was tight machine code that one…

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