/// <summary>
/// Returns whether or not the given NativeHeapIndex is a valid index for this container. If true,
/// that index can be used to Remove the element tied to that index from the container.
///
/// This method will always return true if IsUsingSafetyChecks returns false.
/// </summary>
public bool IsValidIndex(NativeHeapIndex index, out string error)
{
error = null;
#if NHEAP_SAFE
unsafe {
AtomicSafetyHandle.CheckReadAndThrow(m_Safety);
if (index.StructureId != _id)
{
error = "The provided ItemHandle was not valid for this NativeHeap. It was taken from a different instance.";
return(false);
}
if (index.TableIndex >= _data->Capacity)
{
error = "The provided ItemHandle was not valid for this NativeHeap.";
return(false);
}
TableValue tableValue = _data->Table[index.TableIndex];
if (tableValue.Version != index.Version)
{
error = "The provided ItemHandle was not valid for this NativeHeap. The item it pointed to might have already been removed.";
return(false);
}
}
#endif
return(true);
}
/// <summary>
/// Returns whether or not the given NativeHeapIndex is a valid index for this container. If true,
/// that index can be used to Remove the element tied to that index from the container.
///
/// This method will always return true if IsUsingSafetyChecks returns false.
/// </summary>
public bool IsValidIndex(NativeHeapIndex index)
{
return(IsValidIndex(index, out _));
}