syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"Assign"}]}
source_snippet:             Assign { lhs, rhs } => {
context_before:             Block { block } => self.print_block(*block, depth_lvl),
context_after:                 print_indented!(self, "Assign {", depth_lvl);