Re: [Boost-users] [string_algo] case insensitive compare

From: Ovanes Markarian (om_boost_at_[hidden])
Date: 2008-04-08 10:05:03

;) Sorry for my question... Somehow I missed it and even worse: wrote my own
binary predicate :(

On Tue, Apr 8, 2008 at 3:43 PM, Pavol Droba <droba_at_[hidden]> wrote:

> Hi,
>
> is_iequal is an element-comparisom predicate. In other words, it is used
> to compare characters.
> It is used as a plug-in to other generic algorithms.
>
> If you'd like to compare strings, use boost::iequals algorithm. Or have a
> look here for
> more options:
>
>
> http://www.boost.org/doc/libs/1_34_1/doc/html/string_algo/reference.html#header.boost.algorithm.string.predicate.hpp
>
> Best regards,
> Pavol.
>
> Ovanes Markarian wrote:
> > Hello *,
> >
> > I have a question regarding string comparisons. Are the comparisons
> > below suppose to work in VC 7.1 boost 1.34.0?
> >
> > Case 1:
> > bool is_test_string(std::string const& str)
> > {
> >   std::string const& compare_with=std::string("test_string");
> >
> >   boost::algorithm::is_iequal comparator;
> >
> >   return comparator(str, compare_with);
> > }
> >
> >
> > Case 2:
> > bool is_test_string(std::string const& str)
> > {
> >   char const* compare_with = "test_string";
> >
> >   boost::algorithm::is_iequal comparator;
> >
> >   return comparator(str, compare_with);
> > }
> >
> >
> > Case 3:
> > bool is_test_string(std::string const& str)
> > {
> >   boost::algorithm::is_iequal comparator;
> >
> >   return comparator(str, "test_string");
> > }
> >
> > In all 3 cases I receive compiler erros.
> >
> > Many thanks,
> > Ovanes
> >
> >
> > ------------------------------------------------------------------------
> >
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