struct_pop.sol

pragma solidity =0.8.13;
contract Test {
  struct MyStruct{
    uint num;
    bytes32 info;
  }
  MyStruct[] myStruct;
  function add(uint a, bytes32 b) external {
    myStruct.push(MyStruct({num: a, info: b}));
  }
  function pop() external {
   if (myStruct.length != 0) {
     MyStruct[] memory myMemoryStruct = new MyStruct[](1);
     myMemoryStruct[0] = myStruct.pop();
   }
  }
}