rust/tests/ui/author/call.stdout

if_chain! {
    if let StmtKind::Local(local) = stmt.kind;
    if let Some(init) = local.init;
    if let ExprKind::Call(func, 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
    }
}