[openbeos] Re: Pointer or reference?
- From: burton666@xxxxxxxxxxx
- To: openbeos@xxxxxxxxxxxxx
- Date: 29 Mar 2004 07:39:08 -0000
>>Passing a reference to a function is not any different from passing a pointer
>>
>to it. In both cases the address of the referenced object must be passed.
>
>The following two functions, for instance, are compiled to exactly the same
>executable code:
>
>extern "C"
>void
>add_one(int& var)
>{
> var++;
>}
>
>extern "C"
>void
>add_one(int* var)
>{
> (*var)++;
>}
>
Exactly.
If I may add something to this perfect explanation, StrouStroup added
references for this very reason. To make the code look nicer when using
operators like +, ++, -, --, etc.
Stefano Ceccherini aka Jack Burton
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