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