8-Imports.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.17;

library SillyStringUtils {

    struct Haiku {
        string line1;
        string line2;
        string line3;
    }

    function shruggie(string memory _input) internal pure returns (string memory) {
        return string.concat(_input, unicode" 🤷");
    }
}

contract ImportsExercise {
    using SillyStringUtils for SillyStringUtils.Haiku;
    SillyStringUtils.Haiku public haiku;

    function saveHaiku (string memory _line1, string memory _line2, string memory _line3) public {
        haiku.line1 = _line1;
        haiku.line2 = _line2;
        haiku.line3 = _line3;
    }

    function getHaiku() public view returns(SillyStringUtils.Haiku memory) {
        return haiku;
    }

    function shruggieHaiku() public view returns (SillyStringUtils.Haiku memory) {
        SillyStringUtils.Haiku memory modifiedHaiku = haiku;
        modifiedHaiku.line3 = SillyStringUtils.shruggie(haiku.line3);
        return modifiedHaiku;
    }
    
}