NativeArray interface constrained to read-only operation.
| IsCreated | Indicates that the NativeArray.ReadOnly has an allocated memory buffer. | 
| Length | Number of elements in the NativeArray.ReadOnly. | 
| this[int] | Read-only access to NativeArray.ReadOnly elements by index. | 
| CopyTo | Copy all elements to a NativeArray or managed array of the same length. | 
| GetEnumerator | 获取枚举器。 | 
| Reinterpret | 将数组重新解释为具有不同的数据类型(类型双关)。 | 
| ToArray | Convert the data in this NativeArray.ReadOnly to a managed array. |