Re: [Boost-users] commandline args

Subject: Re: [Boost-users] commandline args
From: OvermindDL1 (overminddl1_at_[hidden])
Date: 2009-08-24 00:21:25

On Sun, Aug 23, 2009 at 10:03 PM, Diederick C.
Niehorster<dcnieho_at_[hidden]> wrote:
> Hi Harmut,
>
> Thank you for the answers. However, I am still having some trouble and
> i figure it out following the documentation on the list operator.
>
> I am trying to produce an output like below:
> Options not recognized:
>  "dd"
>  "-e"
>  "rrty"
>
> However,
> bk::generate(ostream_iterator<char>(cout), "Command line options not
> recognized:\n" << ("  \"" << ba::string % "\"" << bk::eol) << bk::eol,
> vsUnrecog);
>
> does not do the trick and
>
> bk::generate(ostream_iterator<char>(cout), "Command line options not
> recognized:\n" << ("  \"" % ba::string % "\"" << bk::eol) << bk::eol,
> vsUnrecog);
>
> fails with "..\Dependency\boost\boost/spirit/home/karma/string/lit.hpp(108)
> : error C2664: 'boost::mpl::assertion_failed' : cannot convert
> parameter 1 from 'boost::mpl::failed ************(__thiscall
> boost::spirit::karma::any_string<CharEncoding,Tag>::generate::string_not_usable_without_attribute::*
> ***********)(void)' to 'boost::mpl::assert<false>::type'" (which I
> guess is not the way it should fail? Shouldnt there be a nice
> assertion message or is this it? no experience with it really)
>
> What am I missing here?

Maybe try this:
bk::generate(ostream_iterator<char>(cout), "Command line options not
recognized:\n" << ('\"' << ba::string << '\"') % bk::eol) << bk::eol,
vsUnrecog);

You were doing a list of a list of a literal in such a way that cannot
be done, cannot take a list of a literal.  :p