Re: [Boost-users] how to make a vector to derivedClass::create() methods

Subject: Re: [Boost-users] how to make a vector to derivedClass::create() methods
From: Victor.Whiskey.Yankee (victor.whiskey.yankee_at_[hidden])
Date: 2009-01-23 08:59:11

Mr. Watanabe,

Thank you for your great help. It works well now.
And thanks for helping everyone else so much on this list!

-Victor

Steven Watanabe wrote:
> AMDG
>
> Victor.Whiskey.Yankee wrote:
>> Thank you for your patience.
>> I am really wanting to make a factory that holds a
>>     std::map where the pair.first is a std::string and
>>     the pair.second is somehow a pointer to a constructor or create()
>> method to any of several derived classes>.
>>
>> I thought expressing in terms of vector might be simplified and enough
>> for my understanding.
>>   
>
> I see.  How about using Boost.Function like this:
>
> std::map<std::string, boost::function<Base*()> > factory_impl;
>
> //...
>
> factory_impl["Derived1"] = boost::lambda::new_ptr<Derived1>();
>
> // ...
>
> Base* b = factory_impl["Derived1"]();
>
> In Christ,
> Steven Watanabe
>
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