tests/ui/borrowck/issue-81365-4.rs

   1 use std::ops::Deref;
   2
   3 struct DerefTarget {
   4     target_field: bool,
   5 }
   6 struct Container {
   7     target: DerefTarget,
   8     container_field: bool,
   9 }
  10
  11 impl Deref for Container {
  12     type Target = DerefTarget;
  13     fn deref(&self) -> &Self::Target {
  14         &self.target
  15     }
  16 }
  17
  18 struct Outer {
  19     container: Container,
  20     outer_field: bool,
  21 }
  22
  23 impl Deref for Outer {
  24     type Target = Container;
  25     fn deref(&self) -> &Self::Target {
  26         &self.container
  27     }
  28 }
  29
  30 impl Outer {
  31     fn bad_borrow(&mut self) {
  32         let first = &self.target_field;
  33         self.outer_field = true; //~ ERROR E0506
  34         first;
  35     }
  36 }
  37
  38 fn main() {}