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rust-port

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Port code from C, C++, Python, Go, JavaScript, or TypeScript into idiomatic Rust that keeps the original behavior: ownership instead of manual memory, Result instead of error codes and exceptions, enums instead of flag ints and magic strings, and tests that prove the port matches. Use this whenever the user asks to port, translate, convert, migrate, or rewrite code in Rust ("rewrite this in Rust", "what would this look like in Rust", "move this module to Rust"), even if they don't say "port". Pairs with the rust-best-practices skill, which covers the target code's style.

skills/rust-port/SKILL.md

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# Rust port

The goal is the Rust a Rust developer would have written to solve the same problem, with
the same observable behavior. A line-by-line transliteration (C written in Rust syntax,
or Python with `Box<dyn Any>`) compiles but keeps every problem the original had and adds
the borrow checker on top. Port the behavior, not the structure.

## 1. Understand the original before writing anything

1. **Read the code and its tests**, and anything that calls it, if you have it.
2. **List the observable behavior**: every public function, its inputs, its outputs, and
   every way it can fail. Include the quiet parts, which are where ports go wrong:
   ordering of results, how ties break, what happens on empty input, whitespace and case
   handling, integer limits, and what counts as an error versus a valid edge case.