Re: constructing and initializing a scoped_array

From:
"Jonathan Mcdougall" <jonathanmcdougall@gmail.com>
Newsgroups:
comp.lang.c++
Date:
1 Jun 2006 10:25:11 -0700
Message-ID:
<1149182711.546667.212090@i40g2000cwc.googlegroups.com>
Dennis Jones wrote:

I have some old code that I am refactoring to use smart pointers and have
run into a small problem. My original code looks something like this:

class WorkerThread
{
    std::map<int, Handler> &HandlerMap;
public:
    WorkerThread( std::map<int, Handler> &AHandlerMap )
        : HandlerMap( AHandlerMap ) {}
};

WorkerThread *WorkerThreads[MAXTHREADS];

for ( int i=0; i<MAXTHREADS; i++ )
{
    WorkerThreads[i] = new WorkerThread( TheHandlerMap );
}

And I think I'd like to change it to use a scoped_array:

boost::scoped_array< WorkerThread > WorkerThreads;

WorkerThreads( new WorkerThread[/*...*/] )

Unfoortunately, the WorkerThread class does not have a default constructor,
and as such, the compiler does not allow me to cosntruct a scoped_array. So
maybe a scoped_array isn't the way to go, but it seemed like most obvious
choice. What would be an appropriate solution?


Perhaps I missed something, but what about a std::vector?

Jonathan

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