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How useful are functional programming languages? (mander.xyz)
submitted 9 months ago by to c/programming@programming.dev
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I hear they are good, make it easier to maintain code-bases. Most often I reach for python to get the job done. Does anyone have experiences with functional languages for larger projects?

In particular I am interested to learn more on how to handle databases, and writing to them and what patterns they come up with. Is a database handle you can write to not ... basically mutable state, the arch-nemesis of functional languages?

Are functional languages only useful with an imperative shell?

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[–] 13 points 9 months ago* (last edited 9 months ago) (1 child)

Got to put my plug in for Elixir. Built on the legendary Erlang runtime, looks like Ruby and secretly a Lisp under the covers. The Ecto database library blows every other ORM or tool I have ever used out of the water.

Regarding mutability, I would argue the runtime has everything you need like message passing, software transactional memory, pleasant I/O and the best exception handling you could imagine

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