// File: contracts/JB1.sol




// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title: The Journey Begins
/// @author: manifold.xyz

import "./manifold/ERC721Creator.sol";

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                                                                                                                                                                                                                      //
//                                                                                                                                                                                                                                                      //
//         ___              _______..______    _______   ______  __       ___       __         .___________. __    __       ___      .__   __.  __  ___    ____    ____  ______    __    __                                                             //
//        /   \            /       ||   _  \  |   ____| /      ||  |     /   \     |  |        |           ||  |  |  |     /   \     |  \ |  | |  |/  /    \   \  /   / /  __  \  |  |  |  |                                                            //
//       /  ^  \          |   (----`|  |_)  | |  |__   |  ,----'|  |    /  ^  \    |  |        `---|  |----`|  |__|  |    /  ^  \    |   \|  | |  '  /      \   \/   / |  |  |  | |  |  |  |                                                            //
//      /  /_\  \          \   \    |   ___/  |   __|  |  |     |  |   /  /_\  \   |  |            |  |     |   __   |   /  /_\  \   |  . `  | |    <        \_    _/  |  |  |  | |  |  |  |                                                            //
//     /  _____  \     .----)   |   |  |      |  |____ |  `----.|  |  /  _____  \  |  `----.       |  |     |  |  |  |  /  _____  \  |  |\   | |  .  \         |  |    |  `--'  | |  `--'  |                                                            //
//    /__/     \__\    |_______/    | _|      |_______| \______||__| /__/     \__\ |_______|       |__|     |__|  |__| /__/     \__\ |__| \__| |__|\__\        |__|     \______/   \______/                                                             //
//                                                                                                                                                                                                                                                      //
//    .___________.  ______           ___       __       __         .___  ___. ____    ____     _______     ___      .______       __      ____    ____                                                                                                 //
//    |           | /  __  \         /   \     |  |     |  |        |   \/   | \   \  /   /    |   ____|   /   \     |   _  \     |  |     \   \  /   /                                                                                                 //
//    `---|  |----`|  |  |  |       /  ^  \    |  |     |  |        |  \  /  |  \   \/   /     |  |__     /  ^  \    |  |_)  |    |  |      \   \/   /                                                                                                  //
//        |  |     |  |  |  |      /  /_\  \   |  |     |  |        |  |\/|  |   \_    _/      |   __|   /  /_\  \   |      /     |  |       \_    _/                                                                                                   //
//        |  |     |  `--'  |     /  _____  \  |  `----.|  `----.   |  |  |  |     |  |        |  |____ /  _____  \  |  |\  \----.|  `----.    |  |                                                                                                     //
//        |__|      \______/     /__/     \__\ |_______||_______|   |__|  |__|     |__|        |_______/__/     \__\ | _| `._____||_______|    |__|                                                                                                     //
//                                                                                                                                                                                                                                                      //
//         _______. __    __  .______   .______     ______   .______     .___________. _______ .______          _______.                                                                                                                                //
//        /       ||  |  |  | |   _  \  |   _  \   /  __  \  |   _  \    |           ||   ____||   _  \        /       |                                                                                                                                //
//       |   (----`|  |  |  | |  |_)  | |  |_)  | |  |  |  | |  |_)  |   `---|  |----`|  |__   |  |_)  |      |   (----`                                                                                                                                //
//        \   \    |  |  |  | |   ___/  |   ___/  |  |  |  | |      /        |  |     |   __|  |      /        \   \                                                                                                                                    //
//    .----)   |   |  `--'  | |  |      |  |      |  `--'  | |  |\  \----.   |  |     |  |____ |  |\  \----.----)   |    __                                                                                                                             //
//    |_______/     \______/  | _|      | _|       \______/  | _| `._____|   |__|     |_______|| _| `._____|_______/    (__)                                                                                                                            //
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//    .___________. __    __   __       _______.   .___________.  ______    __  ___  _______ .__   __.    ____    __    ____  __   __       __          __    __       ___   ____    ____  _______                                                      //
//    |           ||  |  |  | |  |     /       |   |           | /  __  \  |  |/  / |   ____||  \ |  |    \   \  /  \  /   / |  | |  |     |  |        |  |  |  |     /   \  \   \  /   / |   ____|                                                     //
//    `---|  |----`|  |__|  | |  |    |   (----`   `---|  |----`|  |  |  | |  '  /  |  |__   |   \|  |     \   \/    \/   /  |  | |  |     |  |        |  |__|  |    /  ^  \  \   \/   /  |  |__                                                        //
//        |  |     |   __   | |  |     \   \           |  |     |  |  |  | |    <   |   __|  |  . `  |      \            /   |  | |  |     |  |        |   __   |   /  /_\  \  \      /   |   __|                                                       //
//        |  |     |  |  |  | |  | .----)   |          |  |     |  `--'  | |  .  \  |  |____ |  |\   |       \    /\    /    |  | |  `----.|  `----.   |  |  |  |  /  _____  \  \    /    |  |____                                                      //
//        |__|     |__|  |__| |__| |_______/           |__|      \______/  |__|\__\ |_______||__| \__|        \__/  \__/     |__| |_______||_______|   |__|  |__| /__/     \__\  \__/     |_______|                                                     //
//                                                                                                                                                                                                                                                      //
//     __    __  .__   __.  __        ______     ______  __  ___      ___      .______    __       _______     __    __  .___________. __   __       __  .___________.____    ____                                                                      //
//    |  |  |  | |  \ |  | |  |      /  __  \   /      ||  |/  /     /   \     |   _  \  |  |     |   ____|   |  |  |  | |           ||  | |  |     |  | |           |\   \  /   /                                                                      //
//    |  |  |  | |   \|  | |  |     |  |  |  | |  ,----'|  '  /     /  ^  \    |  |_)  | |  |     |  |__      |  |  |  | `---|  |----`|  | |  |     |  | `---|  |----` \   \/   /                                                                       //
//    |  |  |  | |  . `  | |  |     |  |  |  | |  |     |    <     /  /_\  \   |   _  <  |  |     |   __|     |  |  |  |     |  |     |  | |  |     |  |     |  |       \_    _/                                                                        //
//    |  `--'  | |  |\   | |  `----.|  `--'  | |  `----.|  .  \   /  _____  \  |  |_)  | |  `----.|  |____    |  `--'  |     |  |     |  | |  `----.|  |     |  |         |  |                                                                          //
//     \______/  |__| \__| |_______| \______/   \______||__|\__\ /__/     \__\ |______/  |_______||_______|    \______/      |__|     |__| |_______||__|     |__|         |__|                                                                          //
//                                                                                                                                                                                                                                                      //
//    .______       _______  __       _______     ___           _______. _______  _______     .___________. __    __  .______        ______    __    __    _______  __    __      ___     ___    ___    ____                                            //
//    |   _  \     |   ____||  |     |   ____|   /   \         /       ||   ____||       \    |           ||  |  |  | |   _  \      /  __  \  |  |  |  |  /  _____||  |  |  |    |__ \   / _ \  |__ \  |___ \                                           //
//    |  |_)  |    |  |__   |  |     |  |__     /  ^  \       |   (----`|  |__   |  .--.  |   `---|  |----`|  |__|  | |  |_)  |    |  |  |  | |  |  |  | |  |  __  |  |__|  |       ) | | | | |    ) |   __) |                                          //
//    |      /     |   __|  |  |     |   __|   /  /_\  \       \   \    |   __|  |  |  |  |       |  |     |   __   | |      /     |  |  |  | |  |  |  | |  | |_ | |   __   |      / /  | | | |   / /   |__ <                                           //
//    |  |\  \----.|  |____ |  `----.|  |____ /  _____  \  .----)   |   |  |____ |  '--'  |       |  |     |  |  |  | |  |\  \----.|  `--'  | |  `--'  | |  |__| | |  |  |  |     / /_  | |_| |  / /_   ___) |                                          //
//    | _| `._____||_______||_______||_______/__/     \__\ |_______/    |_______||_______/        |__|     |__|  |__| | _| `._____| \______/   \______/   \______| |__|  |__|    |____|  \___/  |____| |____/                                           //
//                                                                                                                                                                                                                                                      //
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//    .___________. __    __   __       _______.    __       _______.          __   __    __       _______.___________.   .___________. __    __   _______    .______    _______   _______  __  .__   __. .__   __.  __  .__   __.   _______            //
//    |           ||  |  |  | |  |     /       |   |  |     /       |         |  | |  |  |  |     /       |           |   |           ||  |  |  | |   ____|   |   _  \  |   ____| /  _____||  | |  \ |  | |  \ |  | |  | |  \ |  |  /  _____|           //
//    `---|  |----`|  |__|  | |  |    |   (----`   |  |    |   (----`         |  | |  |  |  |    |   (----`---|  |----`   `---|  |----`|  |__|  | |  |__      |  |_)  | |  |__   |  |  __  |  | |   \|  | |   \|  | |  | |   \|  | |  |  __             //
//        |  |     |   __   | |  |     \   \       |  |     \   \       .--.  |  | |  |  |  |     \   \       |  |            |  |     |   __   | |   __|     |   _  <  |   __|  |  | |_ | |  | |  . `  | |  . `  | |  | |  . `  | |  | |_ |            //
//        |  |     |  |  |  | |  | .----)   |      |  | .----)   |      |  `--'  | |  `--'  | .----)   |      |  |            |  |     |  |  |  | |  |____    |  |_)  | |  |____ |  |__| | |  | |  |\   | |  |\   | |  | |  |\   | |  |__| |  __        //
//        |__|     |__|  |__| |__| |_______/       |__| |_______/        \______/   \______/  |_______/       |__|            |__|     |__|  |__| |_______|   |______/  |_______| \______| |__| |__| \__| |__| \__| |__| |__| \__|  \______| (__)       //
//                                                                                                                                                                                                                                                      //
//                                                                                                                                                                                                                                                      //
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


contract JB1 is ERC721Creator {
    constructor() ERC721Creator("The Journey Begins", "JB1") {}
}

// File: contracts/manifold/ERC721Creator.sol




// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";

contract ERC721Creator is Proxy {
    
    constructor(string memory name, string memory symbol) {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x2d3fC875de7Fe7Da43AD0afa0E7023c9B91D06b1;
        Address.functionDelegateCall(
            0x2d3fC875de7Fe7Da43AD0afa0E7023c9B91D06b1,
            abi.encodeWithSignature("initialize(string,string)", name, symbol)
        );
    }
        
    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
     function implementation() public view returns (address) {
        return _implementation();
    }

    function _implementation() internal override view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }    

}

// File: node_modules/@openzeppelin/contracts/proxy/Proxy.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

// File: node_modules/@openzeppelin/contracts/utils/Address.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// File: node_modules/@openzeppelin/contracts/utils/StorageSlot.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }
}