Rust Programs Run Code Before and After main

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.

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