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ReasonJun
Solidity: Encapsulation 본문
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// SPDX-License-Identifier: MIT
pragma solidity >= 0.7.0 < 0.9.0;
contract Number {
uint private num = 4;
function changeNum() public {
num = 5;
}
function getNum() public view returns (uint) {
return num;
}
}
contract Caller {
Number internal instance = new Number();
function changeNumber() public {
instance.changeNum();
}
function getNumber() public view returns(uint) {
return instance.getNum();
}
}
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'Blockchain > Solidity' 카테고리의 다른 글
Solidity : Overriding (virtual / override / super) (0) | 2023.10.17 |
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Solidity : Overloading (1) | 2023.10.16 |
Solidity : Inheritance (is, override / Multiple) (0) | 2023.10.16 |
Solidity : Immutable / Constant (0) | 2023.10.16 |
Solidity : constructor (0) | 2023.10.16 |