syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"print_indented!(self,"}]}
source_snippet:         print_indented!(self, format!("ty: {:?}", ty), depth_lvl + 1);
context_before:         print_indented!(self, "Expr {", depth_lvl);
context_after:         print_indented!(self, format!("temp_lifetime: {:?}", temp_lifetime), depth_lvl + 1);