```\\nfunction remove(Map storage map, address key) internal {\\n    if (!map.inserted[key]) {\\n        return;\\n    }\\n\\n    delete map.inserted[key];\\n    delete map.values[key];\\n\\n    uint256 index = map.indexOf[key];\\n    uint256 lastIndex = map.keys.length - 1;\\n    address lastKey = map.keys[lastIndex];\\n\\n    map.indexOf[lastKey] = index;\\n    delete map.indexOf[key];\\n\\n    map.keys[index] = lastKey;\\n    map.keys.pop();\\n}\\n```\\n