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RMS: How I do my Computing
(stallman.org)
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this post was submitted on 02 Aug 2023
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In Forth, you can do things like, say, redefine the number 0 to be computed as a function, and all code that uses the number 0 will instantly change its behaviour at runtime. Why would you do that? I've never found a legitimate use for it, which is why I hate Forth (and Lisp, for similar reasons). I like static analysis and I like it when the language prevents me from doing something silly, but I can understand why some people like the elegance and power-rush from one of the god-like languages like Lisp.
Yeah I've seen some of that language manipulation. I guess my question is, does this happen in Forth regularly or not?
In JS you can manipulate the prototype for a data type but unless you're making some sort of library for a new type of framework most developers never do that type of stuff. In Ruby duck typing is the idiomatic way to solve many problems. In Lisp the use of macros is fairly common that a good majority of larger projects use. Not sure if that type of lower level manipulation is something everyone does in Forth or just something possible.