File: issue-115259-suggest-iter-mut.fixed

package info (click to toggle)
rustc 1.89.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 906,624 kB
  • sloc: xml: 158,148; python: 34,888; javascript: 19,595; sh: 19,221; ansic: 13,046; cpp: 7,144; asm: 4,376; makefile: 692; lisp: 174; sql: 15
file content (20 lines) | stat: -rw-r--r-- 416 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
//@ run-rustfix
#![allow(unused_mut)]
#![allow(dead_code)]

pub trait Layer {
    fn process(&mut self) -> u32;
}

pub struct State {
    layers: Vec<Box<dyn Layer>>,
}

impl State {
    pub fn process(&mut self) -> u32 {
        self.layers.iter_mut().fold(0, |result, mut layer| result + layer.process())
        //~^ ERROR cannot borrow `**layer` as mutable, as it is behind a `&` reference
    }
}

fn main() {}