# Rust Programs Run Code Before and After main > Source: > Published: 2026-06-11 19:32:36.423194+00:00 Infrastructurerustsystems programmingai assisted writing # Rust Programs Run Code Before and After main | 3.6 The 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. ## Scoring Rationale Technical note about Rust runtime ordering is useful to systems programmers; AI-tool disclosure adds modest relevance for documentation and tooling practices. Practice interview problems based on real data 1,500+ SQL & Python problems across 15 industry datasets — the exact type of data you work with. [Try 250 free problems](/problems)