Today, after upgrading Xcode, the simulator reported an error,
This is because the emulator lacks x86_ 64 instruction set, we need to modify valid in Xcode targets_ Arch, add the instruction set you are missing, as shown in the figure:
You need to add x86 after debug_ 64, after running again
preface The official documents of typescript have long been updated, but the Chinese documents I can find are still in the older version. Therefore, some newly added and revised chapters are translated and sorted out. This article is compiled from “typescript Handbook”Keyof Type Operator“Chapter. This article is not translated strictly according to the original text, […]