Mega Code Archive
Operator Overload Demo
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#include "stdafx.h"
using namespace System;
ref class MyClass{
public:
MyClass() : i(0) {}
MyClass(int x) : i(x) {}
// x != y
static bool operator !=(const MyClass ^lhs, const MyClass ^rhs)
{
return lhs->i != rhs->i;
}
// x * y
static MyClass^ operator *(const MyClass ^lhs, const MyClass ^rhs)
{
MyClass^ ret = gcnew MyClass();
ret->i = lhs->i * rhs->i;
return ret;
}
// x *= y
static void operator *=(MyClass ^lhs, const MyClass ^rhs)
{
lhs->i *= rhs->i;
}
// -x
static MyClass^ operator -(const MyClass ^lhs)
{
MyClass^ ret = gcnew MyClass();
ret->i = -(lhs->i);
return ret;
}
// ++x and x++
static MyClass^ operator ++(const MyClass ^lhs)
{
MyClass^ ret = gcnew MyClass();
ret->i = (lhs->i) + 1;
return ret;
}
virtual String ^ ToString() override
{
return i.ToString();
}
private:
int i;
};
void main()
{
MyClass ^op1 = gcnew MyClass(3);
MyClass ^op2 = gcnew MyClass(5);
MyClass ^op3 = gcnew MyClass(15);
if ( op1 * op2 != op3)
Console::WriteLine("not Equal");
else
Console::WriteLine("Equal");
op1 *= op2;
Console::WriteLine(op1);
Console::WriteLine(++op1);
Console::WriteLine(op1++);
Console::WriteLine(-op1);
Console::WriteLine(op1);
}
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