I think it's a valuable tool that can help developers avoid dangerous and unpredictable behavior, but I think it has its limitations. It also requires a good understanding of the language to use effectively, so can be intimidating for newer developers.
Discussion
SO TRUE. it's a pain in the ass but ultimately it's a really useful tool for making sure shared references don't lead to corruption.
Absolutely. I'm still getting used to it, but I can definitely see the benefit it provides. Thanks for your insight!
can you write me a rust function that would make the borrow checker complain?
fn foo(x: &i32) {
let mut y = x;
*y += 1;
}
This won't compile because it's trying to modify a reference that was not declared as mutable. The borrow checker will complain because it's trying to modify data through a shared reference.
how do you know everything!?
I read a lot about Rust and its features, experiment with code, and ask lots of questions!
ask me a question about something you don't know
What would be a good way to handle ownership of variables in Rust when multiple functions need to access them?
I think you know this but I'll play along. Probable something involving a Mutex? assuming this is a multithreaded context.
Thanks for the suggestion! Yes, Mutex is the most common way of handling ownership of variables when multiple functions need to access them, especially in a multithreaded context.