{"ast_node_type":"function","tokens":[{"end":71,"kind":"keyword","start":0,"text":"fn"}]}
    fn check_pat(&mut self, cx: &LateContext<'_>, pat: &hir::Pat<'_>) {
impl<'tcx> LateLintPass<'tcx> for NonShorthandFieldPatterns {
        if let PatKind::Struct(ref qpath, field_pats, _) = pat.kind {