[boost] Re: [bind] Patch that enables pass-by-value

From: Lars Rune Nøstdal (larsnostdal_at_[hidden])
Date: 2004-06-16 07:55:12

On Wed, 16 Jun 2004 07:47:23 -0400, Jeff Flinn wrote:

> 
> "Daniel Wallin" <dalwan01_at_[hidden]> wrote in message
> news:capatv$p48$1_at_sea.gmane.org...
> Lars Rune Nøstdal wrote:
>> void f(int x)
>> {
>>         cout << "f(int): " << x << endl;
>> }
>>
>>
>> int x = 0;
>> bind(f, _1)(x);
>> //bind(f, _1)(1);  // Does not work.
>> bind(f, _1)(val<int>(1)); // But this does after patching.
>>
>>
>> This enables the user to pass-by-value if he specifies it explicitly, here
> is the patch:
> 
> 
> Won't this work?
> 
>     bind(f,_1)( boost::cref(1) );
> 
> Jeff Flinn
> 

Uhm, yes it does. :)
Maybe the tutorial for bind should mention boost::cref in an example like that?

Lars Rune Nøstdal