[boost] Re: [program_options] simple question

From: Vladimir Prus (ghost_at_[hidden])
Date: 2004-03-26 09:24:16

Neal Becker wrote:

> Which brings us to a IMHO really cool little example, combining lambda
> with program_options:

> |     ("angle", po::value<double>()->notifier(var(angle)=180./M_PI*_1),

Yea, that's nice. I'll try to get it into docs.

But, BTW, did you notice that for just storing into a variable, you can use

        ("angle", po::value<double>()->notifier(&angle)),

? I.e. for simple case there's no need to use lambda.

Thanks,
Volodya