Ahn Ki-yung wrote:
...
> Is this possible then ?
>
> vector<int> a;
>
> // ... ...
>
> const vector<int> copy_a = a;

Sure.


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Ahn Ki-yung wrote in message <36E48A80.B00757A9@daidun.kaist.ac.kr>...
>> This is conforming behavior.  One of the requirements for using any
of
>> the standard containers (from 23.1/3 in the standard) is:
>>
>> "The type of objects stored in these components must meet the
>> requirements of CopyConstructible types, and the additional
requirements
>> of Assignable types."
>>
>> CopyConstructible is no problem, but const objects aren't Assignable,
so
>> you can't put them in any of the standard collections.
>>
>
>Is this possible then ?
>
>vector<int> a;
>
>// ... ...
>
>const vector<int> copy_a = a;

Sure; vector has a copy constructor that performs a deep copy.
Potentially expensive, of course.  If the intent is to pass this vector
to other functions without allowing them to modify it, it's just as easy
to simply pass a const reference to the [non-const] object.

--
Nate Lewis, MCSD
nlewis@mindspring.com
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> This is conforming behavior.  One of the requirements for using any of
> the standard containers (from 23.1/3 in the standard) is:
>
> "The type of objects stored in these components must meet the
> requirements of CopyConstructible types, and the additional requirements
> of Assignable types."
>
> CopyConstructible is no problem, but const objects aren't Assignable, so
> you can't put them in any of the standard collections.
>

Is this possible then ?


vector<int> a;

// ... ...

const vector<int> copy_a = a;

// ... ...
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