syntax_data: {"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"self.print_pat(pat,"}]}
source_snippet:             self.print_pat(pat, depth_lvl + 2);
context_before:             print_indented!(self, "param: Some( ", depth_lvl + 1);
context_after:             print_indented!(self, ")", depth_lvl + 1);