How AI Code Review Enhances Code Quality? Real-world examples.

Ajitesh Abhishek
2 min readAug 4, 2024

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As developers, we often face subtle but critical issues in our code that can be hard to spot. Here are a few examples of how Archie AI can assist in identifying these problems:

  1. Missing fallback logic:
  • Issue: Archie AI detected missing fallback logic in our code, which could lead to misconfigurations.
  • Why it matters: Fallback logic ensures that your application can handle unexpected situations gracefully. Without it, your application may behave unpredictably or crash.
  • How AI helps: By analyzing the code thoroughly, AI can identify areas where fallback logic is missing, helping developers ensure their code is more reliable and resilient.

2. Unexpected behavior in async code:

  • Issue: Archie AI identified a critical issue in our async code where using asyncio.sleep(0) could lead to unexpected behavior under heavy load.
  • Why it matters: Async programming is complex, and subtle issues like this can be hard to detect. Under heavy load, such issues can cause significant performance problems or even application failures.
  • How AI helps: AI can simulate various scenarios and identify potential problems that might not be apparent under normal testing conditions, helping developers build more robust async applications.

3. Undefined variable errors:

  • Issue: Archie AI detected a common oversight where variables are conditionally or locally assigned, potentially leading to undefined variable errors.
  • Why it matters: Undefined variable errors can cause your application to crash unexpectedly. They can be hard to detect because the code may work fine under certain conditions.
  • How AI helps: By exhaustively analyzing all possible code paths, AI can identify variables that might be undefined under certain conditions, even if those conditions are rare. This helps developers proactively fix potential issues before they cause problems in production.

As these examples demonstrate, AI assistants like Archie can be incredibly valuable in identifying subtle but critical issues in our code. By leveraging AI’s ability to analyze code thoroughly and consider all possible scenarios, developers can create more reliable, resilient, and robust applications.

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