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operator overloadind

 
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operator overloadind, whether the given program is operator overloaded
balaji_eee08
post 29 Aug, 2008 - 10:55 AM
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Joined: 29 Aug, 2008
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[font=Garamond][size=4] hi
can u clarify whether this one is overloaded or not
class op
{
int a;
public:
void operator-()
{
a=-a;
}
};
void main()
{
op a;
-a;
}
my doudt is : operator - has to operate only upon data member a, so it acts on one operand. so i think it is not overloaded.
can u clarify me.
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sensui
post 29 Aug, 2008 - 10:16 PM
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Of course it is overloaded. If you try this code ( I added the methods set() and get() to clarify you ):
cpp
#include <iostream>
class op
{
private:
    int a;
public:
    void set( int x )
    {
        a = x;
    };
    int get()
    {
        return a;
    };
    void operator-()
    {
        a=-a;
    };
};
int main()
{
    op a;
    a.set( 2 );
    std::cout << a.get() << " ";
    -a;
    std::cout << a.get() << std::endl;
    return EXIT_SUCCESS;
}


It will output:
CODE
2 -2
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