How to tell how an object/class is declared

[Adam D. Ruppe via Digitalmars-d-learn]

On Thursday, 6 November 2014 at 23:43:19 UTC, Meta wrote:
> How can I tell at the points marked in the above code if the 
> class or struct instance was declared as const, shared, etc.? 
> Is this possible?

You can't do that, but you can overload on const

void doSomething() const { called on const instance }
void doSomething() { called on mutable }