{"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
                let cmp = self.context.new_call(None, builtin, &[a_ptr, b_ptr, n]);
                let builtin = self.context.get_builtin_function("memcmp");
                self.sext(cmp, self.type_ix(32))