Re: multiple inheritance, name collision in base classes
On Jan 28, 3:36 pm, JenC <jcarl...@gmail.com> wrote:
I have a problem regarding multiple inheritance and name
collision in the base classes.
The problem looks like:
class BaseA
{
...
public:
virtual unsigned int Run();
...
}
class BaseB //note, BaseB is an abstract class
{
...
public:
virtual customType Run() = 0;
...
}
class Derived: public BaseA, public BaseB
{
...
public:
virtual customType Run(); //only need to implement/override
BaseB's Run()
}
The problem is that both base classes have a function
Run(void) differing only in their return types, and hence I
get a compilation error. Is there a way that I can specify
that in class Derived I am overriding BaseB's Run() method?
Not directly.
Changing the functions signature of BaseB::Run() is a last
resort option (BaseA cannot be changed), but it will affect a
large amount of code, so I would rather find a different less
invasive solution. Any ideas??
The classical solution is to introduce an intermediate class
which "renames" the function:
class BaseB2 : public BaseB
{
public:
virtual customType Run()
{
return doRun() ;
}
virtual customType doRun() = 0 ;
} ;
class Derived : public BaseA, public BaseB2
{
public:
virtual customType doRun() ;
} ;
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