我正在使用swift 4.0来重写我的iOS应用程序的main.swift。 这是我的main.swift:
UIApplicationMain(CommandLine.argc,
CommandLine.unsafeArgv
NSStringFromClass(MyAPP.self),
NSStringFromClass(AppDelegate.self))
这里有编译错误:
Cannot convert value of type 'UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>' to expected argument type 'UnsafeMutablePointer<UnsafeMutablePointer<Int8>>!'
AnyOne知道如何将UnsafeMutablePointer<UnsafeMutablePointer<Int8>?>
转换为UnsafeMutablePointer<UnsafeMutablePointer<Int8>>!
吗?
答案 0 :(得分:0)
UIApplicationMain(
CommandLine.argc,
UnsafeMutablePointer(CommandLine.unsafeArgv),
NSStringFromClass(MyAPP.self),
NSStringFromClass(AppDelegate.self)
)
答案 1 :(得分:-2)
请检查:
UIApplicationMain(
CommandLine.argc,
UnsafeMutableRawPointer(CommandLine.unsafeArgv)
.bindMemory(
to: UnsafeMutablePointer<Int8>.self,
capacity: Int(CommandLine.argc)
),
NSStringFromClass(MyAPP.self),
NSStringFromClass(AppDelegate.self)
)