Re: [Boost-users] bind problems

From: David Abrahams (dave_at_[hidden])
Date: 2005-06-26 19:17:25

"Peter Dimov" <pdimov_at_[hidden]> writes:

>> bool parse_numbers(char const* str, vector<double> &v) {
>>   return parse(str,
>>     real_p[bind<void>(&F,v,_1)] >>
>>     *(',' >> real_p[bind<void>(&F,v,_1)]),
>>     space_p).full;
>> }
>
> I've no idea what is the exact problem you're having, but one thing's for 
> sure: bind(&F, v, _1) stores a copy of v. I don't think that this is what 
> you want. Use ref(v). You don't need to use <void> with ordinary functions, 
> and the & in front of F isn't needed, too. bind(&vector<double>::push_back, 
> &v, _1) is also possible. 

Technically it's undefined behavior to take the address of a standard
library [member] function, but you could probably get away with it.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com