#include <boost/property_map/property_map.hpp>
-
// TODO: This should really be part of the property maps library rather than
// the Boost.Graph library.
-namespace boost {
+namespace boost
+{
/**
* A constant property is one, that regardless of the edge or vertex given,
* will always return a constant value.
*/
-template <typename Key, typename Value>
-struct constant_property_map
- : public boost::put_get_helper<
- const Value&,
- constant_property_map<Key, Value>
- >
+template < typename Key, typename Value >
+struct constant_property_map : public boost::put_get_helper< const Value&,
+ constant_property_map< Key, Value > >
{
typedef Key key_type;
typedef Value value_type;
typedef const Value& reference;
typedef boost::readable_property_map_tag category;
- constant_property_map()
- : m_value()
- { }
+ constant_property_map() : m_value() {}
- constant_property_map(const value_type &value)
- : m_value(value)
- { }
+ constant_property_map(const value_type& value) : m_value(value) {}
constant_property_map(const constant_property_map& copy)
- : m_value(copy.m_value)
- { }
+ : m_value(copy.m_value)
+ {
+ }
- inline reference operator [](const key_type&) const
- { return m_value; }
+ inline reference operator[](const key_type&) const { return m_value; }
value_type m_value;
};
-template <typename Key, typename Value>
-inline constant_property_map<Key, Value>
-make_constant_property(const Value& value)
-{ return constant_property_map<Key, Value>(value); }
+template < typename Key, typename Value >
+inline constant_property_map< Key, Value > make_constant_property(
+ const Value& value)
+{
+ return constant_property_map< Key, Value >(value);
+}
/**
* Same as above, but pretends to be writable as well.
*/
-template <typename Key, typename Value>
-struct constant_writable_property_map {
+template < typename Key, typename Value > struct constant_writable_property_map
+{
typedef Key key_type;
typedef Value value_type;
typedef Value& reference;
typedef boost::read_write_property_map_tag category;
- constant_writable_property_map()
- : m_value()
- { }
+ constant_writable_property_map() : m_value() {}
- constant_writable_property_map(const value_type &value)
- : m_value(value)
- { }
+ constant_writable_property_map(const value_type& value) : m_value(value) {}
constant_writable_property_map(const constant_writable_property_map& copy)
- : m_value(copy.m_value)
- { }
-
- friend Value get(const constant_writable_property_map& me, Key) {return me.m_value;}
+ : m_value(copy.m_value)
+ {
+ }
+
+ friend Value get(const constant_writable_property_map& me, Key)
+ {
+ return me.m_value;
+ }
friend void put(const constant_writable_property_map&, Key, Value) {}
value_type m_value;
};
-template <typename Key, typename Value>
-inline constant_writable_property_map<Key, Value>
+template < typename Key, typename Value >
+inline constant_writable_property_map< Key, Value >
make_constant_writable_property(const Value& value)
-{ return constant_writable_property_map<Key, Value>(value); }
+{
+ return constant_writable_property_map< Key, Value >(value);
+}
} /* namespace boost */