{"ast_node_type":"variable","tokens":[{"end":98,"kind":"keyword","start":0,"text":"let"}]}
                    let else_target = *current_else.get_or_insert_with(|| self.new_basic_block());
                        self.lower_literal_or_const_to_operand(self.infer[pattern].clone(), l)?;
                    let next = self.new_basic_block();