private static void Allocate(int length, Allocator allocator, out NativeArray <T> array)
{
long num = (long)UnsafeUtility.SizeOf <T>() * (long)length;
NativeArray <T> .CheckAllocateArguments(length, allocator, num);
array = default(NativeArray <T>);
array.m_Buffer = UnsafeUtility.Malloc(num, UnsafeUtility.AlignOf <T>(), allocator);
array.m_Length = length;
array.m_AllocatorLabel = allocator;
array.m_MinIndex = 0;
array.m_MaxIndex = length - 1;
DisposeSentinel.Create(out array.m_Safety, out array.m_DisposeSentinel, 1, allocator);
NativeArray <T> .InitStaticSafetyId(ref array.m_Safety);
}