jax.typeof: improve documentation & add to API docs

[jakevdp]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @jakevdp, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the clarity and discoverability of the jax.typeof function. It formalizes the function's definition by giving it a dedicated docstring and type annotation, and ensures its proper inclusion in the official JAX documentation. This change aims to improve the user experience for developers interacting with the JAX type system.

Highlights

• Documentation: The typeof function is now explicitly listed in the jax.rst documentation, making it discoverable for users.
• jax.typeof Implementation: The jax.typeof function has been refactored from a direct alias to get_aval into its own function, now including a dedicated docstring and a clear type annotation (-> AbstractValue). It internally calls get_aval.
• Documentation Coverage Test: typeof has been removed from the list of UNDOCUMENTED_APIS in tests/documentation_coverage_test.py, reflecting its newly documented status.

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[gemini-code-assist]

Code Review

This pull request improves the documentation and type annotation for jax.typeof. The changes are consistent across the documentation, the implementation, and the tests. typeof is now properly documented, and its implementation provides a more specific type hint (AbstractValue) than its previous alias to get_aval. I have one suggestion to further improve the robustness of the new typeof function.