| array | An array to copy the data from. | 
| allocator | The allocation strategy used for the data. | 
Creates a new NativeArray from an existing array of elements.
| array | NativeArray to copy the data from. | 
| allocator | The allocation strategy used for the data. | 
Creates a new NativeArray from an existing NativeArray.
| length | Number of elements to be allocated. | 
| allocator | The allocation strategy used for the data. | 
| options | Options to control the behaviour of the NativeArray. | 
Creates a new NativeArray allocating enough memory to fit the provided amount of elements.