Created
June 3, 2023 22:58
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| // SPDX-License-Identifier: GPL-3.0 | |
| pragma solidity >=0.6.0 <0.9.0; | |
| abstract contract Performer { | |
| function rules() public pure virtual returns (bytes32); | |
| } | |
| contract Singer is Performer { | |
| function rules() public pure override returns (bytes32) { | |
| return "sing"; | |
| } | |
| } |
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