rust-type-erasure

High-severity Rust memory-safety flaw demonstrated: the Evil extractor erases the map-borrow lifetime, allowing safe caller code to retain a dangling &'static reference and trigger use-after-free/undefined behavior. The fragment contains no network, credential-theft, or system-modification behavior and is not conventional malware; its risk is the unsafe API design if used in a library. Confidence is high for the demonstrated flaw, though the fragment alone does not establish whether a published package contains this implementation.