2 if let Expr_::ExprCast(ref expr, ref cast_ty) = stmt.node;
3 if let Ty_::TyPath(ref qp) = cast_ty.node;
4 if match_qpath(qp, &["char"]);
5 if let Expr_::ExprLit(ref lit) = expr.node;
6 if let LitKind::Int(69, _) = lit.node;
8 // report your lint here