[vtk-developers] const correctness

[Bill Lorensen]

ITK has used mutable for years. Even Borland and VS6 supported it
(although ITK has dropped them for other reasons).


On Thu, Feb 10, 2011 at 3:13 PM, David Partyka
<david.partyka at kitware.com> wrote:
> Which compiler out of curiosity? VS 7.1?
>
> On Thu, Feb 10, 2011 at 3:08 PM, David Thompson <dcthomp at sandia.gov> wrote:
>>>
>>> Also, const-correctness can be difficult in situations where some tasks
>>> appear to be const but in fact are not, leading to difficulties when you
>>> need to use them inside another const function. For example,
>>> vtkPointLocator::FindClosestPoint() seems like it should be const but in
>>> fact it may need to rebuild the bucket structure used to accelerate the
>>> search.
>>>
>>> -> This is why there is the "mutable" keyword in C++.
>>
>> I was under the impression that at least one compiler VTK supported didn't
>> handle it, but that may have changed when some of the compilers were dropped
>> a while back.
>>
>>        David
>>
>>
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