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List:       kde-devel
Subject:    Re: c++ question: code duplication across classes
From:       Thiago Macieira <thiago () kde ! org>
Date:       2006-09-21 11:43:16
Message-ID: 200609211343.16881.thiago () kde ! org
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Frans Englich wrote:
>----------------------------------------------
>template<int &m_height, int &m_width> class Base
>{
>public:
>	// do what you want with m_height/m_width
>
>protected:
>        /**
>         * @short This class must be sub-classed. For that
>	 * reason this constructor is protected.
>         */
>        inline Base() {}
>};
>
>----------------------------------------------

This will require two *global* variables of type int. You can't pass 
values.

Remember that the instantiated class will have not the value and not the 
pointer address, but the symbol name mangled.

>The idea is to be able to do this:
>
>template<int height, int width>
>class Fixed : public Base <height, width>
>{
>};

Different template types. This is not function calling.

-- 
  Thiago Macieira  -  thiago (AT) macieira.info - thiago (AT) kde.org
    PGP/GPG: 0x6EF45358; fingerprint:
    E067 918B B660 DBD1 105C  966C 33F5 F005 6EF4 5358

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