kenzan100 · December 5, 2016 17:59
diff --git a/mutable_borrow.rs b/mutable_borrow.rs
 fn use_v() {
  let mut v = make_v();
  let w = &mut v;
  
  w.push(8);   // error! Cannot borrow `v` as immutable
  print_v(&v); // because it is also borrowed as mutable
 }

 fn print_v(v: &Vec<i32>) {
  println!("{}", v[0]);
 }

 fn make_v() -> Vec<i32> {
  let v = vec![2, 4];
  v
 }
	fn use_v() {
	let mut v = make_v();
	let w = &mut v;

	w.push(8); // error! Cannot borrow `v` as immutable
	print_v(&v); // because it is also borrowed as mutable
	}

	fn print_v(v: &Vec<i32>) {
	println!("{}", v[0]);
	}

	fn make_v() -> Vec<i32> {
	let v = vec![2, 4];
	v
	}