syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"self.print_expr(*upvar,"}]}
source_snippet:                 self.print_expr(*upvar, depth_lvl + 2);
context_before:             for upvar in upvars.iter() {
context_after:                 print_indented!(self, ",", depth_lvl + 1);