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Switching to OCaml bois (lemmy.world)

submitted 5 months ago by [email protected] to c/[email protected]

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[–] [email protected] 40 points 5 months ago (16 children)

The venerable master Qc Na was walking with his student, Anton. Hoping to prompt the master into a discussion, Anton said "Master, I have heard that objects are a very good thing - is this true?" Qc Na looked pityingly at his student and replied, "Foolish pupil - objects are merely a poor man's closures."

Chastised, Anton took his leave from his master and returned to his cell, intent on studying closures. He carefully read the entire "Lambda: The Ultimate..." series of papers and its cousins, and implemented a small Scheme interpreter with a closure-based object system. He learned much, and looked forward to informing his master of his progress.

On his next walk with Qc Na, Anton attempted to impress his master by saying "Master, I have diligently studied the matter, and now understand that objects are truly a poor man's closures." Qc Na responded by hitting Anton with his stick, saying "When will you learn? Closures are a poor man's object." At that moment, Anton became enlightened.

[–] [email protected] 13 points 5 months ago (15 children)

Can someone please enlighten me on what makes inheritance, polymorphism, an operator overloading so bad? I use the all regularly, and have yet to experience the foot cannons I have heard so much about.

[–] [email protected] 11 points 5 months ago (1 children)

If the only tool you have is a hammer, everything looks like a nail.

That's the only thing I can think to answer your question. There are some problems that are best solved with other tools, like text parsing for example you might want to call out to some code written in a functional language.

[–] [email protected] 4 points 5 months ago

Oh, thanks then! I've heard people shred on OOP regularly, saying that it's full of foot-canons, and while I've never understood where they're coming from, I definitely agree that there are tasks that are best solved with a functional approach.

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