Re: [Boost-users] [bind] Problem compiling when passing instantiation of class

From: Paul Giaccone (paulg_at_[hidden])
Date: 2007-01-22 11:59:50

Server Levent Yilmaz wrote:
> On 1/22/07, Paul Giaccone <paulg_at_[hidden]> wrote:
>> So what am I missing here?
>>     
>
> You are missing a copy constructor. Even though my_test() takes
> arguments by reference, Boost.Bind binds them by value and since you
> have scoped_array you need to provide a copy constructor (in addition
> to operator=) yourself.
>   
Thanks, that worked.
> Or, you can bind by reference:
>
> boost::bind( ... , ref(obj3), ... )
>   
This didn't: the shared_arrays my object contained 10 objects when they 
were created but only 3 after being passed to the function. Not to worry 
anyhow, as the "proper" method of supplying and copy constructor and an 
assignment operator worked fine.