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[SVN r30927]
This commit is contained in:
Thorsten Jørgen Ottosen
2005-09-12 20:08:14 +00:00
parent a47b8664f7
commit 21c1285cd0
3 changed files with 22 additions and 3 deletions
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18
doc/example.cpp
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@ -22,11 +22,13 @@ namespace boost
// Specialize metafunctions. We must include the range.hpp header.
// We must open the 'boost' namespace.
//
/*
template< class T >
struct range_value< Foo::Pair<T> >
{
typedef typename std::iterator_traits<T>::value_type type;
};
*/
template< class T >
struct range_iterator< Foo::Pair<T> >
@ -45,11 +47,13 @@ namespace boost
typedef T type;
};
/*
template< class T >
struct range_difference< Foo::Pair<T> >
{
typedef typename std::iterator_traits<T>::difference_type type;
};
*/
template< class T >
struct range_size< Foo::Pair<T> >
@ -108,7 +112,8 @@ int main()
{
typedef std::vector<int>::iterator iter;
std::vector<int> vec;
Foo::Pair<iter> pair = { vec.begin(), vec.end() };
vec.push_back( 42 );
Foo::Pair<iter> pair = { vec.begin(), vec.end() };
const Foo::Pair<iter>& cpair = pair;
//
// Notice that we call 'begin' etc with qualification.
@ -122,4 +127,15 @@ int main()
boost::range_const_reverse_iterator< Foo::Pair<iter> >::type
ri = boost::rbegin( cpair ),
re = boost::rend( cpair );
//
// Test metafunctions
//
boost::range_value< Foo::Pair<iter> >::type
v = *boost::begin(pair);
boost::range_difference< Foo::Pair<iter> >::type
d = boost::end(pair) - boost::begin(pair);
}