_Factoryプロトコル使ったやつ、PR出してみた。 https://github.com/apple/swift-corelibs-foundation/pull/1025

Fix NSNumber.objCType crashes, make it returns same values with darwin platform version by norio-nomura · Pull Request #1025 · apple/swift-corelibs-foundation

Fixes SR-4907 Add TestNSNumber.test_objCType() reproducing crash Expected results are sampled from macOS Fix crash on accessing objCType property of NSNumber Change NSNumber.objCType to returning...