我正在尝试在我的代币智能合约上编译我的代码,但这条线导致错误:
address public immutable BUSD = address(0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56); //BUSD
错误信息:
contracts/Work Protocol.sol:32:20: ParserError: Expected identifier but got reserved keyword 'immutable'
address public immutable BUSD = address(0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56); //BUSD
^-------^