Const vs Non const method

[Ola Fosheim Grøstad via Digitalmars-d-learn]

On Sunday, 6 March 2016 at 17:53:47 UTC, Namespace wrote:
> What would be the C++ way? Is there any comfortable way to 
> solve this problem in a nice way like D?

C++ has a non-idiomatic language culture. There are many ways to 
do it. One clean way could be to use a templated method, another 
way is to use a function object, a dirty way would be to use a 
const-cast.