```\\nfunction toTypedDataHash(\\n    bytes32 domainSeparator,\\n    bytes32 structHash\\n) internal pure returns (bytes32 data) {\\n    /// @solidity memory-safe-assembly\\n    assembly {\\n        let ptr := mload(0x40)\\n        mstore(ptr, "\\x19\\x01")\\n        mstore(add(ptr, 0x02), domainSeparator)\\n        mstore(add(ptr, 0x22), structHash)\\n        data := keccak256(ptr, 0x42)\\n    }\\n}\\n```\\n