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Enum.sol
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Enum.sol
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;
contract Enum {
enum Status {
None,
Pending,
Shipped,
Completed,
Rejected,
Canseled
}
// we can use it as state variable
Status public status;
// we can use it inside a struct
struct Order {
address buyer;
Status status;
}
// Array of struct orders
Order[] public orders;
//enum
function get() public view returns (Status) {
return status;
}
function set(Status _status) external {
status = _status;
}
// 2
function ship() external {
status = Status.Shipped;
}
// 5
function complete() external {
status = Status.Completed;
}
// 1
function pend() external {
status = Status.Pending;
}
// 5
function cancle() external {
status = Status.Canseled;
}
// 4
function reject() external {
status = Status.Rejected;
}
// can reset enum to its default value by using delete
function reset() external {
delete status;
}
}