Files
openzeppelin-contracts/contracts/mocks/CounterImpl.sol
Francisco Giordano 6c36bc71a7 Changes to Counter (#1332)
* rename Index.currentId to current

* use += operator for clarity

* rename Counter.Index to Counter.Counter

* move Counter to drafts

(cherry picked from commit 3e55408cb5)
2018-09-18 17:44:57 -03:00

22 lines
384 B
Solidity

pragma solidity ^0.4.24;
import "../drafts/Counter.sol";
contract CounterImpl {
using Counter for Counter.Counter;
uint256 public theId;
// use whatever key you want to track your counters
mapping(string => Counter.Counter) private _counters;
function doThing(string key)
public
returns (uint256)
{
theId = _counters[key].next();
return theId;
}
}