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Ich konvertiere einige Operationen über C-Zeiger auf Swift.Realloc UnsafeMutablePointer in Swift Ursache Fehler
var bits = UnsafeMutableBufferPointer<Int32>(start: nil, count: 0)
var startIdx: UnsafeMutablePointer<Int32> = nil {
didSet {
bits = UnsafeMutableBufferPointer<Int32>(start: startIdx, count: bitsLength)
defer { bits.baseAddress.dealloc(bits.count) }
}
}
var size: Int = 0
var bitsLength: Int = 1
init(size: Int) {
self.size = size
self.bitsLength = (size + 31)/32
self.startIdx = UnsafeMutablePointer<Int32>.alloc(bitsLength * sizeof(Int32))
}
func ensureCapacity(size: Int) {
if size > bitsLength * 32 {
let newBitsLength = (size + 31)/32
startIdx = realloc(startIdx, sizeof(Int32) * newBitsLength)
// Cannot convert value of type `UnsafeMutablePointer<Int32>` to type 'UnsafeMutablePointer<Void>'(aka `UnsafeMutablePointer<()>`) in coercion
}
}
Ich habe diesen
Wert kann nicht von
UnsafeMutablePointer<Int32>
Typ konvertieren 'UnsafeMutablePointer' eingeben (akaUnsafeMutablePointer<()>
) in Zwang
Jede Idee?