30 lines
517 B
Solidity
30 lines
517 B
Solidity
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// SPDX-License-Identifier: GPL-3.0
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pragma solidity ^0.5.11;
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/**
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* @title Storage
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* @dev Store & retrieve value in a variable
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*/
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contract Storage {
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uint256 number;
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/**
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* @dev Store value in variable
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* @param num value to store
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*/
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function store(uint256 num) public {
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number = num + 1;
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number = num;
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}
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/**
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* @dev Return value
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* @return value of 'number'
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*/
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function retrieve() public view returns (uint256){
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return number;
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}
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}
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