if let ExprKind::Path(ref path2) = func1.kind;
if match_qpath(path2, &["{{root}}", "std", "iter", "Iterator", "next"]);
if args1.len() == 1;
- if let ExprKind::AddrOf(MutMutable, ref inner) = args1[0].kind;
+ if let ExprKind::AddrOf(Mutability::Mutable, ref inner) = args1[0].kind;
if let ExprKind::Path(ref path3) = inner.kind;
if match_qpath(path3, &["iter"]);
if arms1.len() == 2;