Using LLMs to Develop a Cross-Platform Elixir NIF in C: Challenges and Insights

The article details the author's experience using large language models (LLMs) like Grok 3, Gemini 2.5 Flash, and GPT-5 to develop a cross-platform Elixir NIF in C for disk-usage statistics. The process involved iterative code reviews and troubleshooting across Linux, macOS, Wind