🚀 go-pugleaf

dataman@cyberdude.com wrote:

> What is the fastest way for  accessing a member  in  a class.
>
> DATA is a structure;
>
> class A
> {
>   public:
>             //directly by having access to the member ?
>             DATA data;
>
>             //by return value
>             DATA GetData()
>             {
>               return data;
>             }
>
>            //by reference
>            void GetData(DATA& d)
>            {
>               d=data;
>            }
>
>            //by pointer
>            void GetData(DATA* pD)
>            {
>             *pData=data;
>            }
> }

    With a dumb compiler, direct access is probably the fastest.
     With a good compiler that applies inlining, return value optimization,

     etc,  probably no diffenrence among the 4 methods.

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