add non-documented remove_const fcts to turn a const-iterator to an iterator

STL_Extension/include/CGAL/In_place_list.h

@@ -164,6 +164,11 @@ namespace internal {
       --*this;
       return tmp;
     }
+    In_place_list_iterator<T,Alloc>
+    remove_const() const
+    {
+      return In_place_list_iterator<T,Alloc>(const_cast<T*>(node));
+    }
   };
 }
 

STL_Extension/include/CGAL/vector.h

@@ -32,6 +32,9 @@
 #include <algorithm>
 #include <memory>
 #include <cstddef>
+#include <boost/type_traits/remove_const.hpp>
+#include <boost/type_traits/remove_reference.hpp>
+#include <boost/type_traits/remove_pointer.hpp>
 
 namespace CGAL {
 
@@ -118,6 +121,24 @@ public:
     bool operator> ( const Self& i) const { return i < *this;    }
     bool operator<=( const Self& i) const { return !(i < *this); }
     bool operator>=( const Self& i) const { return !(*this < i); }
+
+    vector_iterator<  T,
+                      typename boost::remove_const<
+                        typename boost::remove_reference<Ref>::type
+                      >::type&,
+                      typename boost::remove_const<
+                          typename boost::remove_pointer<Ptr>::type
+                      >::type* >
+    remove_const() const
+    {
+      typedef typename boost::remove_const<
+                typename boost::remove_pointer<Ptr>::type
+              >::type* Ptr_no_c;
+      return  vector_iterator< T,
+                     typename boost::remove_const<typename boost::remove_reference<Ref>::type>::type&,
+                     Ptr_no_c>
+              ( const_cast<Ptr_no_c>(ptr) );
+    }
 };
 
 template < class T, class Ref, class Ptr> inline

STL_Extension/test/STL_Extension/test_In_place_list.cpp

@@ -888,6 +888,7 @@ void test_In_place_list() {
   {
     typedef CGAL::In_place_list<Cont,false> ContList;
     typedef CGAL::In_place_list<Cont,false>::iterator Iterator;
+    typedef CGAL::In_place_list<Cont,false>::const_iterator Const_iterator;
   
     ContList L;
     L.push_back(* new Cont(3));
@@ -901,7 +902,14 @@ void test_In_place_list() {
     for (++it2; it2 != L.end(); it1=it2, ++it2) {
       assert( (*it1).i_ <= (*it2).i_ );
     }
-    
+
+    // test remove_const
+    Const_iterator cit=L.begin();
+    Iterator it=cit.remove_const();
+
+    CGAL_USE(cit);
+    CGAL_USE(it);
+
     L.destroy();
   }
 

STL_Extension/test/STL_Extension/test_vector.cpp

@@ -33,6 +33,7 @@
 #include <iostream>
 #include <algorithm>
 #include <list>
+#include <CGAL/use.h>
 
 class X {
 public:
@@ -212,6 +213,14 @@ int main() {
     assert( V7[1] == X(9));
     assert( V7.size() == 16);
     std::cout << "done" << std::endl;
-  
+
+    // test remove_const
+    const_iterator mycit=V3.begin();
+    iterator myit=cit.remove_const();
+    iterator myit2=myit.remove_const();
+    CGAL_USE(mycit);
+    CGAL_USE(myit);
+    CGAL_USE(myit2);
+
     return 0;
 }