{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"ast::Expr::BinExpr(bin)"}]}
                    ast::Expr::BinExpr(bin)
                    ast::Expr::PathExpr(path) => path.path()?.as_single_name_ref(),
                        if bin.op_kind() == Some(ast::BinaryOp::Assignment { op: None }) =>