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* feat: Add 'ord' option for PyClass and corresponding tests Updated the macros back-end to include 'ord' as an option for PyClass allowing for Python-style ordering comparison of enum variants. Additionally, test cases to verify the proper functioning of this new feature have been introduced. * update: fix formatting with cargo fmt * update: documented added feature in newsfragments * update: updated saved errors for comparison test for invalid pyclass args * update: removed nested match arms and extended cases for ordering instead * update: alphabetically ordered entries * update: added section to class documentation with example for using ord argument. * refactor: reduced duplication of code using closure to process tokens. * update: used ensure_spanned macro to emit compile time errors for uses of ord on complex enums or structs, updated test errors for bad compile cases * fix: remove errant character * update: added note about PartialOrd being required. * feat: implemented ordering for structs and complex enums. Retained the equality logic for simple enums until PartialEq is deprecated. * update: adjusted compile time error checks for missing PartialOrd implementations. Refactored growing set of comparison tests for simple and complex enums and structs into separate test file. * fix: updated with clippy findings * update: added not to pyclass parameters on ord (assumes that eq will be implemented and merged first) * update: rebased on main after merging of `eq` feature * update: format update * update: update all test output and doc tests * Update guide/src/class.md Co-authored-by: Icxolu <10486322+Icxolu@users.noreply.github.com> * Update pyo3-macros-backend/src/pyclass.rs Co-authored-by: Icxolu <10486322+Icxolu@users.noreply.github.com> * Update newsfragments/4202.added.md Co-authored-by: Icxolu <10486322+Icxolu@users.noreply.github.com> * Update guide/pyclass-parameters.md Co-authored-by: Icxolu <10486322+Icxolu@users.noreply.github.com> * update: added note about `ord` implementation with example. * fix doc formatting --------- Co-authored-by: Michael Gilbert <git.3mc1o@aleeas.com> Co-authored-by: Icxolu <10486322+Icxolu@users.noreply.github.com>
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Add #[pyclass(ord)] to implement ordering based on PartialOrd.