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A
using declaration can bring any hidden public or
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protected
base class member into the scope of the derived
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class.
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These
members act as overloaded members of the derived
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class.
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However,
such members remain hidden in situations where
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the
argument list is the same as the same named member in
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the
derived class.
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In
the following example, the using declaration makes the
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function
taking the double accessible to clients of the
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derived
class. But, the function taking the int is still hidden
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in
the derived class by declaring a derived class member
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function
that has the same signature.
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