> Greetings,
> 
> I have a C++ class that I would like to rewrite it in D.  The class has members that are declared as 'mutable'.  How do I achieve the same effect in D? if not, what is recommended?

You don't - or at least it's generally inadvisable to try. Unlike C++, const in D is transitive. If something in D is const, it really is const. Take a look at this question/answer on stackoverflow:

http://stackoverflow.com/questions/4219600/logical-const-in-d

- Jonathan M Davis