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// SPDX-License-Identifier: MIT pragma solidity ^0.8.17; contract ControlStructures { error AfterHours(uint256 time); error AtLunch(); function fizzBuzz(uint256 _number) public pure returns (string memory response) { if (_number % 3 == 0 && _number % 5 == 0) { return "FizzBuzz"; } else if (_number % 3 == 0) { return "Fizz"; } else if (_number % 5 == 0) { return "Buzz"; } else { return "Splat"; } } function doNotDisturb(uint256 _time) public pure returns (string memory result) { assert(_time < 2400); if (_time > 2200 || _time < 800) { revert AfterHours(_time); } else if (_time >= 1200 && _time <= 1299) { revert("At lunch!"); } else if (_time >= 800 && _time <= 1199) { return "Morning!"; } else if (_time >= 1300 && _time <= 1799) { return "Afternoon!"; } else if (_time >= 1800 && _time <= 2200) { return "Evening!"; } } }
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