Re: [Boost-users] boost::tokenizer problem, maybe a bug.

From: Jarl Friis (jarl_at_[hidden])
Date: 2005-07-27 04:13:06

Serge Skorokhodov <serge.skorokhodov_at_[hidden]> writes:

> Jeff Flinn wrote:
>
>>Jarl Friis wrote:
>>  
>>
>>>Hi.
>>>
>>>I discovered the following problem using boost::tokenizer. The
>>>following program should print "hello", but it prints "hell":
>>>
>>>#include <iostream>
>>>#include <boost/tokenizer.hpp>
>>>
>>>int main(){
>>>  typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
>>>
>>>  boost::char_separator<char> sep(",", "");
>>>  tokenizer values(std::string(",hello,"), sep);
>>>    
>>>
>>
>>
>>Your string is a temporary and goes out of scope. Try:
>>
>>    std::string test(",hello,");
>>
>>    tokenizer values( test, sep );

Thanks, that helped.

> hm, why thiis works with vc-7_1 then? ;)

I gues accoriding to the standard, it is undefined behaviour, so it
might work, you just can't rely on it.

Jarl