syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"print_indented!(self,"}]}
source_snippet:                     print_indented!(self, "subpatterns: [", depth_lvl + 2);
context_before:                 if subpatterns.len() > 0 {
context_after:                     for field_pat in subpatterns.iter() {