{"slug": "rust-programs-run-code-before-and-after-main", "title": "Rust Programs Run Code Before and After main", "summary": "Rust programs can execute code both before and after the `main` function, according to a technical post on runtime ordering in the systems programming language. The post, which is entirely human-written, credits AI tools Claude and Cursor for feedback and assistance with a linker symbol diagram. This technical detail is relevant for systems programmers who need to understand Rust's runtime behavior.", "body_md": "Infrastructurerustsystems programmingai assisted writing\n\n# Rust Programs Run Code Before and After main\n\n|\n\n3.6\n\nThe post titled \"There Is Life Before and After Main in Rust\" shows that code can execute before and after main in **Rust**. The author discloses the post is 100% human-written and credits **Claude** for feedback and assistance with the linker symbol diagram, and **Cursor** for feedback.\n\n## Scoring Rationale\n\nTechnical note about Rust runtime ordering is useful to systems programmers; AI-tool disclosure adds modest relevance for documentation and tooling practices.\n\nPractice interview problems based on real data\n\n1,500+ SQL & Python problems across 15 industry datasets — the exact type of data you work with.\n\n[Try 250 free problems](/problems)", "url": "https://wpnews.pro/news/rust-programs-run-code-before-and-after-main", "canonical_source": "https://letsdatascience.com/news/rust-programs-run-code-before-and-after-main-a45df1c7", "published_at": "2026-06-11 19:32:36.423194+00:00", "updated_at": "2026-06-11 19:32:39.229675+00:00", "lang": "en", "topics": ["ai-tools"], "entities": ["Claude", "Cursor"], "alternates": {"html": "https://wpnews.pro/news/rust-programs-run-code-before-and-after-main", "markdown": "https://wpnews.pro/news/rust-programs-run-code-before-and-after-main.md", "text": "https://wpnews.pro/news/rust-programs-run-code-before-and-after-main.txt", "jsonld": "https://wpnews.pro/news/rust-programs-run-code-before-and-after-main.jsonld"}}