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I can push worker address to mapping with manager address. I try to get manager address like this code.

contract Test {

   struct Worker{
        address manager_add;
        address worker_add;
    }

   mapping(address => Worker[]) manager;

   function setWorkerAddress(address worker_add) public{

      manager[msg.sender].push(Worker(msg.sender, worker_add));  // push worker address map with manager address

   }

   function getManagerAddress() public returns(uint){
      return manager[msg.sender].x;  // worker get manage address
   }
}

It show error like this.

TypeError: Return argument type address is not implicitly convertible to expected type (type of first return variable) uint256.
  --> contracts/test.sol:21:14:
   |
21 |       return manager[msg.sender][index].manager_add;
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

How to fix it?

1 Answer 1

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You are trying to see the address of the worker's manager. Because you are returning an address, you have to change function getManagerAddress(uint index) public returns(uint) to function getManagerAddress(uint index) public returns(address)

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