Re: [boost] Is there any interest in a casting library where you don't need to specify a type of receiver?

From: John Torjo (john.groups_at_[hidden])
Date: 2007-11-09 10:58:55

I took a quick look, looks pretty neat ;)
I like it ;)

Best,
John
> Hello all
>
> I have my own C++ framework (http://cbear.berlios.de, SVN: 
> http://tools.assembla.com/svn/cbear/trunk/) which has some useful (IMHO) 
> libraries. One of this library is "cast" library 
> (http://tools.assembla.com/cbear/browser/trunk/cbear.berlios.de/cast) 
> which allows you to convert objects without specifying a type:
>
> char c;
> int i;
> ...
> // if(c == static_cast<char>(i))
> if(c == cast::static_::value(i))
> {
> ...
> }
>
> It is useful when you want to convert an object to a type of another 
> object. And this is also more safe, compare to standard casting, for 
> example in previous code someone can change the type of c to wchar_t, 
> and if you use static_cast, the compiler will not even warn you about 
> incorrect casting. So, you have to manually check all the code.
>
> Currently there are several castings: static, reinterpret, const, 
> dynamic, polymorphic (based on Boost.polymorphic_cast), polymorphic_down 
> (based on  Boost.polymorphic_downcast), explicit (calls an explicit 
> constructor), safe_reinterpret (compare sizes of converting types), 
> default (returns an object created by default constructor).
>
> Thank you.
>
> Best regards, Sergey Shandar.
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>   

-- 
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