Programmer Humor

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??? (lemm.ee)

submitted 9 months ago* (last edited 6 months ago) by [email protected] to c/[email protected]

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[–] [email protected] 2 points 9 months ago* (last edited 9 months ago) (1 children)

it can compute how often I needed to compute the value of calling a function an infinite number of times.

println!("0");

[–] [email protected] 0 points 9 months ago

If you've used a parser library's recursive parser, you have infinite calls right there. If it supplies a recursive-parser function, that function is a type-limited equivalent to fix, which performs the infinite call operation. Your Rust library most likely implements recursion using hidden mutability, but in Haskell, your parsers can remain infinitely-recursive while still referencing themselves and immutable.

Also, we get to ask people if they know what a monad is.