To Do List

Write a contract to store an array of tasks.

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

contract TodoList {
    struct Todo {
        string text;
        bool completed;
    }

    Todo[] public todos;

    function create(string calldata _text) external {
        todos.push(Todo({text: _text, completed: false}));
    }

    function updateText(uint _index, string calldata _text) external {
        Todo storage todo = todos[_index];
        todo.text = _text;
    }

    function toggleCompleted(uint _index) external {
        Todo storage todo = todos[_index];
        todo.completed = !todo.completed;
    }

    function get(uint _index) external view returns (string memory, bool) {
        Todo storage todo = todos[_index];
        return (todo.text, todo.completed);
    }
}