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Quick question about const data members and inheritance.

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Say I have the following class, Foo:

class Foo
const int value;
Foo(const int val);
virtual ~Foo()=0;

Foo::Foo(const int val) : value(val)
cout << "Value is: " << value << endl;

Which I intend to be purely abstract, and I have a class called Bar which is the following:

class Bar : public Foo
Bar(const int val);

How do I make it so val in Bar's constructor becomes val in Foo's constructor and then becomes value? I'm sure its something super simple but I am a big n00b soooo....

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