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Fixed interop downcasts

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[SVN r21982]
This commit is contained in:
Dave Abrahams
2004-01-27 03:19:34 +00:00
parent a5b14e1a4f
commit fec82e2de8
1 changed files with 66 additions and 24 deletions
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90
doc/iterator_facade_ref.rst
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@ -311,8 +311,14 @@ __ `operator arrow`_
operator ==(iterator_facade<Dr1,V1,TC1,R1,D1> const& lhs,
iterator_facade<Dr2,V2,TC2,R2,D2> const& rhs);
:Returns: if ``is_convertible<Dr2,Dr1>::value``, then
``lhs.equal(rhs)``. Otherwise, ``rhs.equal(lhs)``.
:Returns:
if ``is_convertible<Dr2,Dr1>::value``
then
``((Dr1 const&)lhs).equal((Dr2 const&)rhs)``.
Otherwise,
``((Dr2 const&)rhs).equal((Dr1 const&)lhs)``.
::
@ -322,8 +328,14 @@ __ `operator arrow`_
operator !=(iterator_facade<Dr1,V1,TC1,R1,D1> const& lhs,
iterator_facade<Dr2,V2,TC2,R2,D2> const& rhs);
:Returns: if ``is_convertible<Dr2,Dr1>::value``, then
``!lhs.equal(rhs)``. Otherwise, ``!rhs.equal(lhs)``.
:Returns:
if ``is_convertible<Dr2,Dr1>::value``
then
``!((Dr1 const&)lhs).equal((Dr2 const&)rhs)``.
Otherwise,
``!((Dr2 const&)rhs).equal((Dr1 const&)lhs)``.
::
@ -333,9 +345,14 @@ __ `operator arrow`_
operator <(iterator_facade<Dr1,V1,TC1,R1,D1> const& lhs,
iterator_facade<Dr2,V2,TC2,R2,D2> const& rhs);
:Returns: if ``is_convertible<Dr2,Dr1>::value``, then
``lhs.distance_to(rhs) < 0``. Otherwise, ``rhs.distance_to(lhs) >
0``.
:Returns:
if ``is_convertible<Dr2,Dr1>::value``
then
``((Dr1 const&)lhs).distance_to((Dr2 const&)rhs) < 0``.
Otherwise,
``((Dr2 const&)rhs).distance_to((Dr1 const&)lhs) > 0``.
::
@ -345,9 +362,14 @@ __ `operator arrow`_
operator <=(iterator_facade<Dr1,V1,TC1,R1,D1> const& lhs,
iterator_facade<Dr2,V2,TC2,R2,D2> const& rhs);
:Returns: if ``is_convertible<Dr2,Dr1>::value``, then
``lhs.distance_to(rhs) <= 0``. Otherwise, ``rhs.distance_to(lhs)
>= 0``.
:Returns:
if ``is_convertible<Dr2,Dr1>::value``
then
``((Dr1 const&)lhs).distance_to((Dr2 const&)rhs) <= 0``.
Otherwise,
``((Dr2 const&)rhs).distance_to((Dr1 const&)lhs) >= 0``.
::
@ -357,9 +379,14 @@ __ `operator arrow`_
operator >(iterator_facade<Dr1,V1,TC1,R1,D1> const& lhs,
iterator_facade<Dr2,V2,TC2,R2,D2> const& rhs);
:Returns: if ``is_convertible<Dr2,Dr1>::value``, then
``lhs.distance_to(rhs) > 0``. Otherwise,
``rhs.distance_to(lhs) < 0``.
:Returns:
if ``is_convertible<Dr2,Dr1>::value``
then
``((Dr1 const&)lhs).distance_to((Dr2 const&)rhs) > 0``.
Otherwise,
``((Dr2 const&)rhs).distance_to((Dr1 const&)lhs) < 0``.
::
@ -370,9 +397,14 @@ __ `operator arrow`_
operator >=(iterator_facade<Dr1,V1,TC1,R1,D1> const& lhs,
iterator_facade<Dr2,V2,TC2,R2,D2> const& rhs);
:Returns: if ``is_convertible<Dr2,Dr1>::value``, then
``lhs.distance_to(rhs) >= 0``. Otherwise,
``rhs.distance_to(lhs) <= 0``.
:Returns:
if ``is_convertible<Dr2,Dr1>::value``
then
``((Dr1 const&)lhs).distance_to((Dr2 const&)rhs) >= 0``.
Otherwise,
``((Dr2 const&)rhs).distance_to((Dr1 const&)lhs) <= 0``.
.. _minus:
@ -380,15 +412,25 @@ __ `operator arrow`_
template <class Dr1, class V1, class TC1, class R1, class D1,
class Dr2, class V2, class TC2, class R2, class D2>
typename enable_if_interoperable<Dr1,Dr2,difference_type>::type
typename enable_if_interoperable<Dr1,Dr2,difference>::type
operator -(iterator_facade<Dr1,V1,TC1,R1,D1> const& lhs,
iterator_facade<Dr2,V2,TC2,R2,D2> const& rhs);
:Return Type: if ``is_convertible<Dr2,Dr1>::value``, then ``difference_type`` shall be
``iterator_traits<Dr1>::difference_type``. Otherwise,
``difference_type`` shall be
``iterator_traits<Dr2>::difference_type``.
:Return Type:
if ``is_convertible<Dr2,Dr1>::value``
:Returns: if ``is_convertible<Dr2,Dr1>::value``, then
``-lhs.distance_to(rhs)``. Otherwise,
``rhs.distance_to(lhs)``.
then
``difference`` shall be
``iterator_traits<Dr1>::difference_type``.
Otherwise
``difference`` shall be ``iterator_traits<Dr2>::difference_type``
:Returns:
if ``is_convertible<Dr2,Dr1>::value``
then
``-((Dr1 const&)lhs).distance_to((Dr2 const&)rhs)``.
Otherwise,
``((Dr2 const&)rhs).distance_to((Dr1 const&)lhs)``.