Re: [boost] [Boost-bugs] [ boost-Support Requests-1707948 ] Assertion failed in token_iterator.hpp

From: tatsu (blza.box_at_[hidden])
Date: 2007-07-03 10:14:38

SourceForge.net wrote:
> 
> 
> Using BOOST.1.33.1 with Borland C++.
> I've suddenly got a Message Box saying:
> Assertion failed:  valid_, file ...boost/token_iterator.hpp, line 52
> 
> Line 52 in token_iterator.hpp is:  assert(valid_);  in void increment(){}.
> 
> Could anybody give me a clue as to what might be going on and why it has
> suddenly started happening, please?
> 

Probably, you're trying to increment an iterator pointing to end() . Even if
you check (pos != end) and everithing seems ok, it may be caused by passing
a string like "###/#_#" to tokenizer<>. This produces no tokens, that's why
your tokenizer.begin() == tokenizer.end(). If you want to tokenize such
string and get <###> and <#_#> tokens, try following:

string s("###/#_#");
char_separator<char> sep("/");
tokenizer< char_separator<char> > tok(s, sep);

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