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use nonassignable

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added same_closure consistently


[SVN r24526]
This commit is contained in:
Michael Stevens
2004-08-17 09:11:17 +00:00
parent 3f55c7c4e3
commit 8bb8f8e646
1 changed files with 21 additions and 34 deletions
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55
include/boost/numeric/ublas/iterator.hpp
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@@ -21,7 +21,7 @@
#include <boost/numeric/ublas/exception.hpp>
// Using GCC the following is missing:
// Using older GCC the following is missing:
//
// namespace std {
//
@@ -42,23 +42,16 @@
namespace boost { namespace numeric { namespace ublas {
#ifdef BOOST_UBLAS_NEED_CONVERSION
template<class C>
class container_reference;
#endif
/** \brief Base class of all proxy classes that contain
a reference to an immutable object.
\param C the type of the container referred to
*/
* a (redirectable) reference to an immutable object.
*
* \param C the type of the container referred to
*/
template<class C>
class container_const_reference {
class container_const_reference:
private boost::nonassignable {
public:
typedef C container_type;
#ifdef BOOST_UBLAS_NEED_CONVERSION
typedef container_reference<container_type> container_reference;
#endif
BOOST_UBLAS_INLINE
container_const_reference ():
@@ -66,11 +59,6 @@ namespace boost { namespace numeric { namespace ublas {
BOOST_UBLAS_INLINE
container_const_reference (const container_type &c):
c_ (&c) {}
#ifdef BOOST_UBLAS_NEED_CONVERSION
BOOST_UBLAS_INLINE
container_const_reference (const container_reference &c):
c_ (c.c ()) {}
#endif
BOOST_UBLAS_INLINE
const container_type &operator () () const {
@@ -91,19 +79,16 @@ namespace boost { namespace numeric { namespace ublas {
private:
const container_type *c_;
container_const_reference &operator = (const container_const_reference &) {
return *this;
}
};
/** \brief Base class of all proxy classes that contain
* a reference to a mutable object.
* a (redirectable) reference to a mutable object.
*
* \param C the type of the container referred to
*/
template<class C>
class container_reference {
class container_reference:
private boost::nonassignable {
public:
typedef C container_type;
@@ -125,20 +110,22 @@ namespace boost { namespace numeric { namespace ublas {
return *this;
}
// Closure comparison
BOOST_UBLAS_INLINE
bool same_closure (const container_reference &cr) const {
return c_ == cr.c_;
}
private:
container_type *c_;
container_reference operator = (const container_reference &) {
return *this;
}
};
/** \brief Base class of all forward iterators.
*
* \param IC the iterator category
* \param I the derived iterator type
* \param T the value type
*
*
* \param IC the iterator category
* \param I the derived iterator type
* \param T the value type
*
* The forward iterator can only proceed in one direction
* via the post increment operator.
*/