src/test/ui/closures/2229_closure_analysis/diagnostics/borrowck/borrowck-1.rs

   1 // edition:2021
   2
   3 #[derive(Debug)]
   4 struct Point {
   5     x: i32,
   6     y: i32,
   7 }
   8 fn main() {
   9     let mut p = Point {x: 1, y: 2 };
  10
  11     let y = &mut p.y;
  12     let mut c = || {
  13     //~^ ERROR cannot borrow `p` as mutable more than once at a time
  14        let x = &mut p.x;
  15        println!("{:?}", p);
  16     };
  17     c();
  18     *y+=1;
  19 }