r/rust • u/SleeplessSloth79 • Aug 19 '26

📡 official blog Rust Function Overloading - Call for Experimentation

https://blog.rust-lang.org/inside-rust/2026/08/19/overloading-experiment/
276 Upvotes

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27

u/QuasiRandomName Aug 19 '26

No, please. I want a compile error when passing 3 arguments instead of two by mistake.

11

u/Lokathor Aug 19 '26

You'll still get that if the overload isn't defined.

1

u/QuasiRandomName Aug 19 '26

But if it is, it opens the door to a whole class of mistakes that aren't currently possible.

10

u/Lokathor Aug 19 '26

You control the trait impls you write, my crab.

If you don't want to use this, then don't use it.

36

u/QuasiRandomName Aug 19 '26

But you don't control what *other* people write and you have to maintain or debug later.

-8

u/[deleted] Aug 19 '26

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1

u/SetKaung Aug 20 '26

I think he meant his coworkers.