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What are some mind blowing Rust tricks? (programming.dev)
submitted 15 hours ago* (last edited 13 hours ago) by little_ferris@programming.dev to c/rust@programming.dev
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If we were to create a Rust version of this page for Haskell, what cool programming techniques would you add to it?

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[-] barsoap@lemm.ee 2 points 5 hours ago

Enum constructors are functions, this typechecks:

fn foo<T>() {
    let f: fn(T) -> Option<T> = Some;
}

I was a bit apprehensive because rust has like a gazillion different function types but here it seems to work like just any other language with a HM type system.

[-] little_ferris@programming.dev 1 points 4 hours ago

Woah. That's quite interesting. I didn't know that.

this post was submitted on 16 Oct 2024
47 points (96.1% liked)

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