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Danappelxx/UnsafeMutableBufferPointer.swift

Created March 19, 2016 19:41
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UnsafeMutableBufferPointer.swift
let length = 10
let ptr = UnsafeMutablePointer<UInt8>(allocatingCapacity: length)
defer { ptr.deallocateCapacity(length) }
for i in 0..<length {
ptr.advanced(by: i).pointee = UInt8(i)
}
let buffer = UnsafeMutableBufferPointer(start: ptr, count: length)
let arr = Array(buffer)
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