Re: Deleting items from an std::list , is this code correct?
On Apr 24, 10:04 am, lallous <lall...@lgwm.org> wrote:
Hello Group,
Please advise. Does this work with all STL implementations?
Thank you,
Elias
[code]
#include <iostream>
#include <list>
typedef std::list<int> int_list_t;
typedef std::list<int_list_t::iterator> int_list_iterator_list_t;
void print_list(int_list_t &L)
{
for (int_list_t::iterator it=L.begin();it!=L.end();++it)
{
std::cout << "value = " << *it << std::endl;
}
}
void delete_odd(int_list_t &L)
{
int_list_iterator_list_t it_list;
int_list_t::iterator it;
for (it=L.begin();it!=L.end();++it)
{
if (*it % 2 != 0)
it_list.push_back(it);
}
for (int_list_iterator_list_t::const_iterator di=it_list.begin();di!
=it_list.end();++di)
{
L.erase(*di);
}
}
It should work with any reasonable STL implementation.
But do you really need that list of iterators? Why not erase matching
list elements right away? :-)
--
Cheers,
Alex
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