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Siemel Naran
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 Posted: Thu Jun 26, 2003 2:23 pm Post subject: Re: create my own iterator |
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"Peter A. Kerzum" <kerzum (AT) mail (DOT) ru> wrote in message
| Quote: | While your vertices are private you probably will be surprised that it
could
be changed via iterator described above. Lets make it constant to
limit
itearation to read-only access.
...
typedef typename list<int>::const_iterator iterator;
...
May be this will require some const_casting (*to* const) but I'm sure
you've got the idea.
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In this case my preference here is to typedef to const_iterator
typedef list<int>::const_iterator const_iterator;
And class graph will have no typedef iterator. This reflects the usage
that
there is only a readonly iterator.
for ( graph::const_iterator i = g.begin(); i != g.end(); i++ ) {
std::cout << *i;
}
--
+++++++++++
Siemel Naran
[ See http://www.gotw.ca/resources/clcm.htm for info about ]
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