CGAL 4.7 - STL Extensions for CGAL: STL_Extension/in_place_list_prog.cpp

\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.7 - STL Extensions for CGAL

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STL_Extension/in_place_list_prog.cpp
#include <cassert>
#include <algorithm>
#include <CGAL/In_place_list.h>
using CGAL::In_place_list_base;
struct item : public In_place_list_base<item> {
int key;
item() {}
item( const item& i) : In_place_list_base<item>(i), key(i.key) {}
item( int i) : key(i) {}
bool operator== (const item& i) const { return key == i.key;}
bool operator!= (const item& i) const { return ! (*this == i);}
bool operator== (int i) const { return key == i;}
bool operator!= (int i) const { return ! (*this == i);}
bool operator< (const item& i) const { return key < i.key;}
};
int main() {
typedef CGAL::In_place_list<item,true> List;
List l;
item* p = new item(1);
l.push_back(*p);
l.push_back(*new item(2));
l.push_front(*new item(3));
l.push_front(*new item(4));
l.push_front(*new item(2));
List::iterator i = l.begin();
++i;
l.insert(i, *new item(5));
l.insert(p, *new item(5));
int a[7] = {2,5,4,3,5,1,2};
bool ok = std::equal(l.begin(), l.end(), a);
assert(ok);
l.sort();
l.unique();
assert(l.size() == 5);
int b[5] = {1,2,3,4,5};
ok = std::equal(l.begin(), l.end(), b);
assert(ok);
return 0;
}