Re: [Boost-users] please help : Error: Unexpected type name

From: Sun, Xiuxin (xiuxin.sun_at_[hidden])
Date: 2008-07-23 01:20:10

HI Bruce ,
it's already in the code .
 >     using namespace boost::lambda;
>     typedef std::istream_iterator<int> in;
> 
>     std::for_each(
>         in(std::cin), in(), std::cout << (_1 * 3) << " " ); }

-----Original Message-----
From: boost-users-bounces_at_[hidden]
> 
> HI all,
> when I try to compile the example code only use boost head-file in
SunOS :
> 
> #include <boost/lambda/lambda.hpp>
> #include <iostream>
> #include <iterator>
> #include <algorithm>
> 
> int main()
> {
>     using namespace boost::lambda;
>     typedef std::istream_iterator<int> in;
> 
>     std::for_each(
>         in(std::cin), in(), std::cout << (_1 * 3) << " " ); }

Try this:
     typedef std::istream_iterator<int> in;

     std::for_each(
         in(std::cin), in(), std::cout << boost::lambda::_1*3 << " " );
HTH, Bruce