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baakeydow/multiple_owners.rs

Created October 18, 2022 10:44
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#rust multiple owners with Rc + RefCell
Raw
multiple_owners.rs
fn multiple_owners() {
use std::rc::Rc;
use std::cell::RefCell;
let value = Rc::new(RefCell::new(5));
let a = Rc::clone(&value);
let b = Rc::clone(&value);
*a.borrow_mut() += 1;
*b.borrow_mut() += 1;
assert_eq!(*value.borrow(), 7);
}
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