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Date: Sun, 25 Apr 2010 17:13:00 -0000
From: Andrew Haley <aph@redhat.com>
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Subject: Re: Overloading reference operator
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On 04/25/2010 04:44 AM, Samkit Jain wrote:
> Yes my question is why does'nt assignment operator work out of the box ?

But why should it?  You haven't defined one.

Andrew.

P.S.  Please don't top-post.

> On Sun, Apr 25, 2010 at 12:02 AM, Andrew Haley <aph@redhat.com> wrote:
>> On 04/24/2010 07:07 PM, Andrew Haley wrote:
>>> On 04/24/2010 06:30 PM, Samkit Jain wrote:
>>>> template<class T>
>>>> MyClass
>>>> {
>>>>  public:
>>>>     MyClass() : m_data(10) { }
>>>>     operator T&() { return m_data; }
>>>>  private:
>>>>     T m_data;
>>>> };
>>>
>>> I think this example does what you want:
>>>
>>> template<class T> class
>>> MyClass
>>> {
>>> public:
>>>   MyClass() : m_data(10) { }
>>>   operator T&() { return m_data; }
>>>   T& operator= (const T &t) { m_data = t; return *this; }
>>> private:
>>>   T m_data;
>>> };
>>
>> I'm sorry, I think I misunderstood your question.  You're asking why
>>
>>  instance++;
>>
>> works, but, say
>>
>>  instance = instance + 1;
>>
>> doesn't.  Apologies.
>>
>> Andrew.
>>