From 7f64d6d54dcba2fd25c1548e2cdf12b285c0d2e1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakob=20R=C3=B6nnb=C3=A4ck?= <jakob@rowanbrook.net>
Date: Thu, 5 Feb 2026 10:57:52 +0100
Subject: [PATCH] Step 3: Page 28

---
 src/main.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index c0d199e..e7e7755 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,5 @@
 use clap::{Parser, Subcommand};
+use serde::{Deserialize, Serialize};
 
 #[derive(Parser)]
 #[command(name = "todo")]
@@ -16,6 +17,19 @@ enum Commands {
     Remove { id: usize },
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+struct Task {
+    id: usize,
+    description: String,
+    completed: bool,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+struct TodoList {
+    tasks: Vec<Task>,
+    next_id: usize,
+}
+
 fn main() {
     let cli = Cli::parse();
     match cli.command {