gistfile1.txt

  static func toUInt32Array(slice: ArraySlice<UInt8>) -> Array<UInt32> {
      var result = Array<UInt32>()
      result.reserveCapacity(16)

      for idx in slice.startIndex.stride(to: slice.endIndex, by: sizeof(UInt32)) {
          let val1:UInt32 = (UInt32(slice[idx.advanced(by: 3)]) << 24)
          let val2:UInt32 = (UInt32(slice[idx.advanced(by: 2)]) << 16)
          let val3:UInt32 = (UInt32(slice[idx.advanced(by: 1)]) << 8)
          let val4:UInt32 = UInt32(slice[idx])
          let val:UInt32 = val1 | val2 | val3 | val4
          result.append(val)
      }

      return result
  }