Re: [Boost-users] [boost program options] missing value validation

Subject: Re: [Boost-users] [boost program options] missing value validation
From: Vladimir Prus (vladimir_at_[hidden])
Date: 2009-01-22 14:26:21

Andy F wrote:

> Vladimir Prus <vladimir <at> codesourcery.com> writes:
>> 
>> What is 'unknown exception'? You should have a try/catch block
>> around use of po::store, and the what() method of the caught
>> exception should contain something useful.
>> 
>> - Volodya
>> 
> 
> Volodya,
> 
> I get boost::program_options::invalid_command_line_syntax.  I guess my question
> is this:
> 
> If I want to make it so that if the user does not provide a value for the
> option, 

Seems like some part is left out of our question "if the user does not provide a value",
then what?

> do I need to basically handle that in the catch block of the exception 
> handling, or is there some other way of doing it upfront?

- Volodya