Re: [Boost-users] Program options required arguments?

Subject: Re: [Boost-users] Program options required arguments?
From: Vladimir Prus (vladimir_at_[hidden])
Date: 2009-04-30 14:19:12

David Doria wrote:

> If I have a list of 10 parameters, and all are required,
> 
> I end up with a giant block of these:
> 
> if(!vm.count("input"))
>     {
>         std::cout << "Input was not set." << std::endl;
>         exit(-1);
>     }
> 
> Is there a way to do something like:
> desc.add_options()
>             ("input", po::value<std::string>(&InputFile)->required(), "Set
> input file.")
> 
> That will perform that check for me?

Not at the moment. Feel free to file a request at svn.boost.org

- Volodya