`AnyHashableSendable` ergonomics #134

Job	Run time
Windows (windows-latest, debug)	1m 30s
Wasm	49s
Windows (windows-latest, release)	1m 23s
Linux (Swift 5.10)	43s
macOS (15.4, debug)	1m 47s
Linux (Swift 5.10)	39s
macOS (15.4, release)	2m 1s
	8m 52s

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