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| /* | |
| * Optional value is not initialized with nil, instead is initialized with 0 value | |
| */ | |
| let p = UnsafeMutablePointer<UInt8?>.allocate(capacity: 0) | |
| // p.initialize(repeating: nil, count: 1) | |
| print("Value Type: \(type(of:p.pointee))") | |
| if let value = p.pointee { | |
| print("Value: \(value)") | |
| } | |
| /* Output: | |
| Value Type: Optional<UInt8> | |
| Value: 0 // probably garbage anyway. more like side effect | |
| */ |
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| /* | |
| * Optional value is not initialized with nil, instead is initialized with 0 value | |
| */ | |
| let p = UnsafeMutablePointer<UnsafeMutablePointer<UInt8>?>.allocate(capacity: 0) | |
| print("Value Type: \(type(of:p.pointee))") | |
| if let internalPointer = p.pointee { | |
| print("Value: \(internalPointer)") | |
| let internalValue = internalPointer.pointee | |
| print("Internal Pointer Value Type: \(type(of:internalValue))") | |
| print("Internal Pointer Value: \(internalValue)") | |
| } | |
| /* Output: | |
| Value Type: Optional<UnsafeMutablePointer<UInt8>> | |
| Value: 0x00007ffba550b880 | |
| Internal Pointer Value Type: UInt8 | |
| Internal Pointer Value: 36 // garbage value | |
| */ |
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