Bad example of loops in storage

Votes.sol

pragma solidity ^0.8.0;

/// THIS IS STILL A NEGATIVE EXAMPLE! DO NOT USE!
contract Voting {

  mapping(address => uint) voteWeight;
  
  address[] yesVotes;
  
  uint requiredWeight;
  
  address beneficiary;
  
  uint amount;
  
  function voteYes() { 
    yesVotes.push(msg.sender); 
    }
  
  function tallyVotes() {
    uint yesVotes;
    for (uint i = 0; i < yesVotes.length; ++i)
        yesVotes += voteWeight[yesVotes[i]];
    if (yesVotes > requiredWeight)
        beneficiary.send(amount);
  }
}