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From: Viktor Yurkovsky <n4mation@panix.com>
Newsgroups: comp.lang.c++,comp.std.c++
Subject: Re: friends and local classes
Date: 25 Jan 1995 15:41:06 GMT
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swillden@fcom.cc.utah.edu (Shawn Willden) wrote:
>
> Sam Fenster (fenster@ground.cs.columbia.edu) wrote:
> : Ideally, we'd have local functions too, for similar reasons (e.g. a comparison
> : function to pass to "qsort").  I don't expect that soon.  But let's not get
> : rid of local classes, OK?
> 
> Just make a local class with a static function if you need a local function.
> 
> void functionWithLocalFunction()
>     {
>     struct Local
> 	{
> 	int static compare(const void* a, const void* b)
> 	    {
> 	    const int *intA = reinterpret_cast<const int*>(a);
> 	    const int *intB = reinterpret_cast<const int*>(b);
> 	    if (*intA == *intB)
> 		return 0;
> 	    else if (*intA < *intB)
> 		return -1;
> 	    else
> 		return 1;
> 	    }
> 	};
> 
>     //...
>     qsort(array, sizeof(array)/sizeof(array[0]), sizeof(array),
>           &Local::compare);
>     }
> 
>...

Hmm.. This creates a rather large inline, doesn't it?