Re: Why is this code complaining about constness?

From:

"Victor Bazarov" <v.Abazarov@comAcast.net>

Newsgroups:

comp.lang.c++

Date:

Wed, 1 Aug 2007 14:36:28 -0400

Message-ID:

<f8qjrb$h2r$1@news.datemas.de>

markscottwright wrote:

I'm using visual studio 8, and the following code is failing. For the
life of me, I can't see what's wrong...

void myTest(std::string const& in)
{
using namespace std;
string::const_iterator lastNonWhitespace = find_if(in.rbegin(),

Did you mean to declare it 'string::const_reverse_iterator'? If
not, you might want to look into the 'base' member, as in

string::const_iterator lastNonWhitspace = find_if(...) . base();

in.rend(), not1(ptr_fun(isspace)));
}

The error is:
strutils.cpp|226 error 2440| 'initializing' : cannot convert from
'std::reverse_iterator<_RanIt>' to
'std::_String_const_iterator<_Elem,_Traits,_Alloc>'

with
[

_RanIt=std::_String_const_iterator<char,std::char_traits<char>,std::allocator<char>>

        ]
        and
        [
            _Elem=char,
            _Traits=std::char_traits<char>,
            _Alloc=std::allocator<char>
        ]
        No constructor could take the source type, or constructor

overload resolution was ambiguous

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