syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"self.print_expr(field_expr.expr,"}]}
source_snippet:             self.print_expr(field_expr.expr, depth_lvl + 2);
context_before:             print_indented!(self, format!("field {}:", i), depth_lvl + 1);
context_after:         }