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"Growing a Language" by Guy Steele (1998) [53min]
(www.youtube.com)
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this post was submitted on 17 Aug 2023
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Programming
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The logical conclusion of this is to let the syntax and parser of the language itself be modified by users in a modular fashion :D
So python then. On the first order level, there's operator overriding and duck typing, which achieves this highly modular syntax. But deeper down, there's the ast module that lets you rewrite your own interpreter at runtime and other wacky shit.
And the logical conclusion of this is there is a non-zero chance you get to enjoy the opportunity, no, the priviledge to maintain that 100k loc codebase written in someones personal PHP dialect. Lucky you.
Which (if I understand correctly) is almost what Forth does. I've heard it described as "the only syntax in Forth are the blank characters" :).