codecov 테스트용 함수 추가

[reddevilmidzy]

♟️ What’s this PR about?

codecov 테스트용 함수 추가..

🔗 Related Issues / PRs

[Copilot]

Pull Request Overview

Adds a simple add function and its unit test to increase code coverage.

• Introduces a new add(a: i32, b: i32) -> i32 helper function
• Provides a basic test case verifying add(1, 2) == 3

Comments suppressed due to low confidence (2)

rook/src/main.rs:49

• Consider adding more test cases (e.g., zero, negative values, edge conditions) to improve coverage across different input scenarios.

        assert_eq!(add(1, 2), 3);

rook/src/main.rs:39

• [nitpick] Add a doc comment above add to explain its purpose and behavior, which will help other contributors understand its intended use.

fn add(a: i32, b: i32) -> i32 {

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

📢 Thoughts on this report? Let us know!

[reddevilmidzy]

그래도 뭔가 바뀌긴 했다. 전엔 100.00% of diff hit(target 80.00%) 이런 메시지가 아니라

coveraged not affected 떴었는데