{"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"hir::ExprKind::Tup([])"}]}
            hir::ExprKind::Tup([]) => Simple,
            hir::ExprKind::Lit(_) => Literal,
            hir::ExprKind::Block(hir::Block { stmts: [], expr: Some(expr), .. }, _) => {