2 if let ExprKind::DropTemps(ref expr) = expr.node;
3 if let ExprKind::Match(ref expr1, ref arms, MatchSource::ForLoopDesugar) = expr.node;
4 if let ExprKind::Call(ref func, ref args) = expr1.node;
5 if let ExprKind::Path(ref path) = func.node;
6 if match_qpath(path, &["{{root}}", "std", "iter", "IntoIterator", "into_iter"]);
8 if let ExprKind::Struct(ref path1, ref fields, None) = args[0].node;
9 if match_qpath(path1, &["{{root}}", "std", "ops", "Range"]);
11 // unimplemented: field checks
13 if let ExprKind::Loop(ref body, ref label, LoopSource::ForLoop) = arms[0].body.node;
14 if let StmtKind::Local(ref local) = body.node;
15 if let PatKind::Binding(BindingAnnotation::Mutable, _, name, None) = local.pat.node;
16 if name.node.as_str() == "__next";
17 if let StmtKind::Expr(ref e, _) = local.pat.node
18 if let ExprKind::Match(ref expr2, ref arms1, MatchSource::ForLoopDesugar) = e.node;
19 if let ExprKind::Call(ref func1, ref args1) = expr2.node;
20 if let ExprKind::Path(ref path2) = func1.node;
21 if match_qpath(path2, &["{{root}}", "std", "iter", "Iterator", "next"]);
23 if let ExprKind::AddrOf(MutMutable, ref inner) = args1[0].node;
24 if let ExprKind::Path(ref path3) = inner.node;
25 if match_qpath(path3, &["iter"]);
27 if let ExprKind::Assign(ref target, ref value) = arms1[0].body.node;
28 if let ExprKind::Path(ref path4) = target.node;
29 if match_qpath(path4, &["__next"]);
30 if let ExprKind::Path(ref path5) = value.node;
31 if match_qpath(path5, &["val"]);
32 if arms1[0].pats.len() == 1;
33 if let PatKind::TupleStruct(ref path6, ref fields1, None) = arms1[0].pats[0].node;
34 if match_qpath(path6, &["{{root}}", "std", "option", "Option", "Some"]);
35 if fields1.len() == 1;
36 // unimplemented: field checks
37 if let ExprKind::Break(ref destination, None) = arms1[1].body.node;
38 if arms1[1].pats.len() == 1;
39 if let PatKind::Path(ref path7) = arms1[1].pats[0].node;
40 if match_qpath(path7, &["{{root}}", "std", "option", "Option", "None"]);
41 if let StmtKind::Local(ref local1) = path7.node;
42 if let Some(ref init) = local1.init;
43 if let ExprKind::Path(ref path8) = init.node;
44 if match_qpath(path8, &["__next"]);
45 if let PatKind::Binding(BindingAnnotation::Unannotated, _, name1, None) = local1.pat.node;
46 if name1.node.as_str() == "y";
47 if let StmtKind::Expr(ref e1, _) = local1.pat.node
48 if let ExprKind::Block(ref block) = e1.node;
49 if let StmtKind::Local(ref local2) = block.node;
50 if let Some(ref init1) = local2.init;
51 if let ExprKind::Path(ref path9) = init1.node;
52 if match_qpath(path9, &["y"]);
53 if let PatKind::Binding(BindingAnnotation::Unannotated, _, name2, None) = local2.pat.node;
54 if name2.node.as_str() == "z";
55 if arms[0].pats.len() == 1;
56 if let PatKind::Binding(BindingAnnotation::Mutable, _, name3, None) = arms[0].pats[0].node;
57 if name3.node.as_str() == "iter";
59 // report your lint here