Re: [Boost-users] [boost-users][lambda] crash in std::for_each

Subject: Re: [Boost-users] [boost-users][lambda] crash in std::for_each
From: Robert Jones (robertgbjones_at_[hidden])
Date: 2009-02-03 07:40:37

Oh no it doesn't ! Please ignore my last post.

On Tue, Feb 3, 2009 at 12:29 PM, Robert Jones <robertgbjones_at_[hidden]>wrote:

> On Tue, Feb 3, 2009 at 9:45 AM, Igor R <boost.lists_at_[hidden]> wrote:
>
>> The following code crashes in for_each when trying to output the 1st pair.
>> What's wrong with it?
>>
>> Thanks!
>>
>> namespace bl = boost::lambda;
>> std::map<std::string, std::string> temp;
>> temp["a"] = "1";
>> temp["b"] = "2";
>> const std::map<std::string, std::string> attrs(temp);
>> typedef std::pair<std::string, std::string> string_pair;
>> std::stringstream stream;
>> std::for_each(attrs.begin(), attrs.end(),
>>    stream << bl::bind(&string_pair::first, bl::_1)
>> << bl::bind(&string_pair::second, bl::_1));
>>
>> _______________________________________________
>> Boost-users mailing list
>> Boost-users_at_[hidden]
>> http://lists.boost.org/mailman/listinfo.cgi/boost-users
>>
>
> What's the problem? This works for me - full source follows.
>
> #include "boost/lambda/lambda.hpp"
> #include "boost/lambda/bind.hpp"
> #include <algorithm>
> #include <map>
> #include <iostream>
> #include <sstream>
>
> int main( )
> {
>   namespace bl = boost::lambda;
>   std::map<std::string, std::string> temp;
>   temp["a"] = "1";
>   temp["b"] = "2";
>   const std::map<std::string, std::string> attrs(temp);
>   typedef std::pair<std::string, std::string> string_pair;
>   std::stringstream stream;
>   std::for_each(attrs.begin(), attrs.end(),
>      stream << bl::bind(&string_pair::first, bl::_1) <<
> bl::bind(&string_pair::second, bl::_1));
> }
>
> Using Visual Studio 2005 & Boost 1.36
>
> Rob.
>
> --
>

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