{
    "Function": "_copy",
    "File": "packages/protocol/contracts/thirdparty/optimism/rlp/RLPReader.sol",
    "Parent Contracts": [],
    "High-Level Calls": [],
    "Internal Calls": [
        "mload(uint256)",
        "mstore(uint256,uint256)",
        "mstore(uint256,uint256)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _copy(\n        MemoryPointer _src,\n        uint256 _offset,\n        uint256 _length\n    )\n        private\n        pure\n        returns (bytes memory out_)\n    {\n        out_ = new bytes(_length);\n        if (_length == 0) {\n            return out_;\n        }\n\n        // Mostly based on Solidity's copy_memory_to_memory:\n        // solhint-disable max-line-length\n        // https://github.com/ethereum/solidity/blob/34dd30d71b4da730488be72ff6af7083cf2a91f6/libsolidity/codegen/YulUtilFunctions.cpp#L102-L114\n        uint256 src = MemoryPointer.unwrap(_src) + _offset;\n        assembly {\n            let dest := add(out_, 32)\n            let i := 0\n            for { } lt(i, _length) { i := add(i, 32) } { mstore(add(dest, i), mload(add(src, i))) }\n\n            if gt(i, _length) { mstore(add(dest, _length), 0) }\n        }\n    }"
}