Data structures · easy

7. Structs

Group related fields.

Define `struct User { string name; uint256 age; }` and a mapping `users` from address to `User`. Add `setUser(string memory _name, uint256 _age)`.

Required in your answer: struct Usermapping(address => User) public usersusers[msg.sender] = User

Compiles with solc in your browser

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract Profile {
    // TODO struct
    // TODO mapping(address => User) public users;
    function setUser(string memory _name, uint256 _age) external {
        // TODO
    }
}

Output appears here.

← 6. Dynamic Arrays 8. Enums →