if_chain! { if let StmtKind::Local(ref local) = stmt.kind; if let Some(ref init) = local.init; if let ExprKind::Call(ref func, ref args) = init.kind; if let ExprKind::Path(ref qpath) = func.kind; if match_qpath(qpath, &["{{root}}", "std", "cmp", "min"]); if args.len() == 2; if let ExprKind::Lit(ref lit) = args[0].kind; if let LitKind::Int(3, LitIntType::Unsuffixed) = lit.node; if let ExprKind::Lit(ref lit1) = args[1].kind; if let LitKind::Int(4, LitIntType::Unsuffixed) = lit1.node; if let PatKind::Wild = local.pat.kind; then { // report your lint here } }