Starting point of Dynamic tuple indices in Rust

main.rs

use std::{rc::Rc, cell::RefCell};

struct XLimit {
  vector: Rc<RefCell<(i32, i32)>>,
  limit: i32
}

impl XLimit {
  fn limit(&self) {
    if (*self.vector).borrow().0 > self.limit {
      self.vector.borrow_mut().0 -= self.limit;
    }
  }
}

fn main() {
  let vecref = Rc::new(RefCell::new((0, 100)));	
  let limit_x = XLimit { vector: vecref.clone(), limit: 250 }; 
  for _ in 0..5 {
    vecref.borrow_mut().0 += 100;
    limit_x.limit();
    println!("Position: {:?}", vecref);
  }
}