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Title: docs(skills): add enum nesting order guideline to usethis-python-enum skill by Copilot · Pull Request #1885 · usethis-python/usethis-python · GitHub

Open Graph Title: docs(skills): add enum nesting order guideline to usethis-python-enum skill by Copilot · Pull Request #1885 · usethis-python/usethis-python

X Title: docs(skills): add enum nesting order guideline to usethis-python-enum skill by Copilot · Pull Request #1885 · usethis-python/usethis-python

Description: Enum dispatch at the outermost nesting level leads to duplicated guard conditions across enum arms — a pattern that should instead be inverted: shared guards outer, enum dispatch inner. Changes usethis-python-enum SKILL.md (v1.0 → v1.1): adds a new "Nesting order: outer guards, inner enum dispatch" section encoding the principle with a diagnostic signal and a before/after code example: # ❌ Inverted: guard duplicated inside each enum arm if backend is BackendEnum.uv: if _some_guard(): _do_uv_thing() elif backend is BackendEnum.poetry: if _some_guard(): _do_poetry_thing() # ✅ Correct: shared guard outer, enum dispatch inner if backend in (BackendEnum.uv, BackendEnum.poetry): if _some_guard(): if backend is BackendEnum.uv: _do_uv_thing() elif backend is BackendEnum.poetry: _do_poetry_thing() else: assert_never(backend)

Open Graph Description: Enum dispatch at the outermost nesting level leads to duplicated guard conditions across enum arms — a pattern that should instead be inverted: shared guards outer, enum dispatch inner. Changes us...

X Description: Enum dispatch at the outermost nesting level leads to duplicated guard conditions across enum arms — a pattern that should instead be inverted: shared guards outer, enum dispatch inner. Changes us...

Opengraph URL: https://github.com/usethis-python/usethis-python/pull/1885

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