Allocation-free scalar parsing — booleans, numerics, UUIDs, temporals — as a Success/Fault verdict union (value or reason + offending span, never an exception). A PyO3 native extension linking a Rust core directly into CPython — no runtime bridge, no compiler needed to install, no dependencies.
RFC 9562 UUID v4/v5/v6/v7 generation — a PyO3 native extension linking a Rust core directly into CPython. No runtime bridge, no compiler needed to install.
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