{"ast_node_type":"variable","tokens":[{"end":65,"kind":"keyword","start":0,"text":"if"}]}
        if let hir::ExprKind::Closure(&hir::Closure { body, .. })
    fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) -> Self::Result {
        | hir::ExprKind::ConstBlock(hir::ConstBlock { body, .. }) = expr.kind