LEMON/LEMON-official Changeset - r54:ff9bac2351bf

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Changeset - r54:ff9bac2351bf

« 53:afb532

55:9bd0d6 »

r54:ff9bac2351bf

Wed, 09 Jan 2008 00:40:21

[Not Reviewed]

0 comments (0 inline)

kpeter (Peter Kovacs)
kpeter@inf.elte.hu

Minor bug fix in maps.h. Fixed the existing two variants of stdMap() and added two new variants.

0 1 0

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1 file changed with 23 insertions and 2 deletions:

lemon/maps.h

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lemon/maps.h

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 		/* -*- C++ -*-
+		 *
 		 * This file is a part of LEMON, a generic C++ optimization library
+		 *
 		 * Copyright (C) 2003-2008
 		 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
 		 * (Egervary Research Group on Combinatorial Optimization, EGRES).
+		 *
 		 * Permission to use, modify and distribute this software is granted
 		 * provided that this copyright notice appears in all copies. For
 		 * precise terms see the accompanying LICENSE file.
+		 *
 		 * This software is provided "AS IS" with no warranty of any kind,
 		 * express or implied, and with no claim as to its suitability for any
 		 * purpose.
+		 *
 		 */
 		#ifndef LEMON_MAPS_H
 		#define LEMON_MAPS_H
 		#include <iterator>
 		#include <functional>
 		#include <vector>
 		#include <lemon/bits/utility.h>
 		// #include <lemon/bits/traits.h>
 		///\file
 		///\ingroup maps
 		///\brief Miscellaneous property maps
 		///
 		#include <map>
 		namespace lemon {
 		  /// \addtogroup maps
 		  /// @{
 		  /// Base class of maps.
 		  /// Base class of maps.
 		  /// It provides the necessary <tt>typedef</tt>s required by the map concept.
 		  template<typename K, typename T>
 		  class MapBase {
 		  public:
 		    /// The key type of the map.
 		    typedef K Key;
 		    /// The value type of the map. (The type of objects associated with the keys).
 		    typedef T Value;
 		  };
 		  /// Null map. (a.k.a. DoNothingMap)
 		  /// This map can be used if you have to provide a map only for
 		  /// its type definitions, or if you have to provide a writable map,
 		  /// but data written to it is not required (i.e. it will be sent to
 		  /// <tt>/dev/null</tt>).
 		  template<typename K, typename T>
 		  class NullMap : public MapBase<K, T> {
 		  public:
 		    typedef MapBase<K, T> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    /// Gives back a default constructed element.
 		    T operator[](const K&) const { return T(); }
 		    /// Absorbs the value.
 		    void set(const K&, const T&) {}
 		  };
 		  ///Returns a \c NullMap class
 		  ///This function just returns a \c NullMap class.
 		  ///\relates NullMap
 		  template <typename K, typename V>
 		  NullMap<K, V> nullMap() {
 		    return NullMap<K, V>();
+		  }
 		  /// Constant map.
 		  /// This is a \ref concepts::ReadMap "readable" map which assigns a
 		  /// specified value to each key.
 		  /// In other aspects it is equivalent to \c NullMap.
 		  template<typename K, typename T>
 		  class ConstMap : public MapBase<K, T> {
 		  private:
 		    T v;
 		  public:
 		    typedef MapBase<K, T> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    /// Default constructor
 		    /// Default constructor.
 		    /// The value of the map will be uninitialized.
 		    /// (More exactly it will be default constructed.)
 		    ConstMap() {}
 		    /// Constructor with specified initial value
 		    /// Constructor with specified initial value.
 		    /// \param _v is the initial value of the map.
 		    ConstMap(const T &_v) : v(_v) {}
 		    ///\e
 		    T operator[](const K&) const { return v; }
 		    ///\e
 		    void setAll(const T &t) {
 		      v = t;
+		    }
 		    template<typename T1>
 		    ConstMap(const ConstMap<K, T1> &, const T &_v) : v(_v) {}
 		  };
 		  ///Returns a \c ConstMap class
 		  ///This function just returns a \c ConstMap class.
 		  ///\relates ConstMap
 		  template<typename K, typename V>
 		  inline ConstMap<K, V> constMap(const V &v) {
 		    return ConstMap<K, V>(v);
+		  }
 		  template<typename T, T v>
 		  struct Const { };
 		  /// Constant map with inlined constant value.
 		  /// This is a \ref concepts::ReadMap "readable" map which assigns a
 		  /// specified value to each key.
 		  /// In other aspects it is equivalent to \c NullMap.
 		  template<typename K, typename V, V v>
 		  class ConstMap<K, Const<V, v> > : public MapBase<K, V> {
 		  public:
 		    typedef MapBase<K, V> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ConstMap() { }
 		    ///\e
 		    V operator[](const K&) const { return v; }
 		    ///\e
 		    void set(const K&, const V&) { }
 		  };
 		  ///Returns a \c ConstMap class with inlined value
 		  ///This function just returns a \c ConstMap class with inlined value.
 		  ///\relates ConstMap
 		  template<typename K, typename V, V v>
 		  inline ConstMap<K, Const<V, v> > constMap() {
 		    return ConstMap<K, Const<V, v> >();
+		  }
 		  ///Map based on \c std::map
 		  ///This is essentially a wrapper for \c std::map with addition that
 		  ///you can specify a default value different from \c Value().
 		  ///It meets the \ref concepts::ReferenceMap "ReferenceMap" concept.
 		  template <typename K, typename T, typename Compare = std::less<K> >
 		  class StdMap : public MapBase<K, T> {
 		    template <typename K1, typename T1, typename C1>
 		    friend class StdMap;
 		  public:
 		    typedef MapBase<K, T> Parent;
 		    ///Key type
 		    typedef typename Parent::Key Key;
 		    ///Value type
 		    typedef typename Parent::Value Value;
 		    ///Reference Type
 		    typedef T& Reference;
 		    ///Const reference type
 		    typedef const T& ConstReference;
 		    typedef True ReferenceMapTag;
 		  private:
 		    typedef std::map<K, T, Compare> Map;
 		    Value _value;
 		    Map _map;
 		  public:
 		    /// Constructor with specified default value
 		    StdMap(const T& value = T()) : _value(value) {}
 		    /// \brief Constructs the map from an appropriate \c std::map, and
 		    /// explicitly specifies a default value.
 		    template <typename T1, typename Comp1>
 		    StdMap(const std::map<Key, T1, Comp1> &map, const T& value = T())
 		      : _map(map.begin(), map.end()), _value(value) {}
 		    /// \brief Constructs a map from an other \ref StdMap.
 		    template<typename T1, typename Comp1>
 		    StdMap(const StdMap<Key, T1, Comp1> &c)
 		      : _map(c._map.begin(), c._map.end()), _value(c._value) {}
 		  private:
 		    StdMap& operator=(const StdMap&);
 		  public:
 		    ///\e
 		    Reference operator[](const Key &k) {
 		      typename Map::iterator it = _map.lower_bound(k);
 		      if (it != _map.end() && !_map.key_comp()(k, it->first))
 			return it->second;
 		      else
 			return _map.insert(it, std::make_pair(k, _value))->second;
+		    }
 		    /// \e
 		    ConstReference operator[](const Key &k) const {
 		      typename Map::const_iterator it = _map.find(k);
 		      if (it != _map.end())
 			return it->second;
 		      else
 			return _value;
+		    }
 		    /// \e
 		    void set(const Key &k, const T &t) {
 		      typename Map::iterator it = _map.lower_bound(k);
 		      if (it != _map.end() && !_map.key_comp()(k, it->first))
 			it->second = t;
 		      else
 			_map.insert(it, std::make_pair(k, t));
+		    }
 		    /// \e
 		    void setAll(const T &t) {
 		      _value = t;
 		      _map.clear();
+		    }
 		  };
 		  ///Returns a \c StdMap class
 		  ///This function just returns a \c StdMap class with specified
 		  ///default value.
 		  ///\relates StdMap
-		  template<typename K, typename V, typename Compare = std::less<K> >
 		  template<typename K, typename V, typename Compare>
 		  inline StdMap<K, V, Compare> stdMap(const V& value = V()) {
 		    return StdMap<K, V, Compare>(value);
+		  }
 		  ///Returns a \c StdMap class
 		  ///This function just returns a \c StdMap class with specified
 		  ///default value.
 		  ///\relates StdMap
 		  template<typename K, typename V>
 		  inline StdMap<K, V, std::less<K> > stdMap(const V& value = V()) {
 		    return StdMap<K, V, std::less<K> >(value);
+		  }
 		  ///Returns a \c StdMap class created from an appropriate std::map
 		  ///This function just returns a \c StdMap class created from an
 		  ///appropriate std::map.
 		  ///\relates StdMap
-		  template<typename K, typename V, typename Compare = std::less<K> >
 		  template<typename K, typename V, typename Compare>
 		  inline StdMap<K, V, Compare> stdMap( const std::map<K, V, Compare> &map,
 		                                       const V& value = V() ) {
 		    return StdMap<K, V, Compare>(map, value);
+		  }
 		  ///Returns a \c StdMap class created from an appropriate std::map
 		  ///This function just returns a \c StdMap class created from an
 		  ///appropriate std::map.
 		  ///\relates StdMap
 		  template<typename K, typename V>
 		  inline StdMap<K, V, std::less<K> > stdMap( const std::map<K, V, std::less<K> > &map,
 		                                             const V& value = V() ) {
 		    return StdMap<K, V, std::less<K> >(map, value);
+		  }
 		  /// \brief Map for storing values for keys from the range <tt>[0..size-1]</tt>
 		  ///
 		  /// This map has the <tt>[0..size-1]</tt> keyset and the values
 		  /// are stored in a \c std::vector<T>  container. It can be used with
 		  /// some data structures, for example \c UnionFind, \c BinHeap, when
 		  /// the used items are small integer numbers.
 		  /// This map meets the \ref concepts::ReferenceMap "ReferenceMap" concept.
 		  ///
 		  /// \todo Revise its name
 		  template <typename T>
 		  class IntegerMap : public MapBase<int, T> {
 		    template <typename T1>
 		    friend class IntegerMap;
 		  public:
 		    typedef MapBase<int, T> Parent;
 		    ///\e
 		    typedef typename Parent::Key Key;
 		    ///\e
 		    typedef typename Parent::Value Value;
 		    ///\e
 		    typedef T& Reference;
 		    ///\e
 		    typedef const T& ConstReference;
 		    typedef True ReferenceMapTag;
 		  private:
 		    typedef std::vector<T> Vector;
 		    Vector _vector;
 		  public:
 		    /// Constructor with specified default value
 		    IntegerMap(int size = 0, const T& value = T()) : _vector(size, value) {}
 		    /// \brief Constructs the map from an appropriate \c std::vector.
 		    template <typename T1>
 		    IntegerMap(const std::vector<T1>& vector)
 		      : _vector(vector.begin(), vector.end()) {}
 		    /// \brief Constructs a map from an other \ref IntegerMap.
 		    template <typename T1>
 		    IntegerMap(const IntegerMap<T1> &c)
 		      : _vector(c._vector.begin(), c._vector.end()) {}
 		    /// \brief Resize the container
 		    void resize(int size, const T& value = T()) {
 		      _vector.resize(size, value);
+		    }
 		  private:
 		    IntegerMap& operator=(const IntegerMap&);
 		  public:
 		    ///\e
 		    Reference operator[](Key k) {
 		      return _vector[k];
+		    }
 		    /// \e
 		    ConstReference operator[](Key k) const {
 		      return _vector[k];
+		    }
 		    /// \e
 		    void set(const Key &k, const T& t) {
 		      _vector[k] = t;
+		    }
 		  };
 		  ///Returns an \c IntegerMap class
 		  ///This function just returns an \c IntegerMap class.
 		  ///\relates IntegerMap
 		  template<typename T>
 		  inline IntegerMap<T> integerMap(int size = 0, const T& value = T()) {
 		    return IntegerMap<T>(size, value);
+		  }
 		  /// @}
 		  /// \addtogroup map_adaptors
 		  /// @{
 		  /// \brief Identity map.
 		  ///
 		  /// This map gives back the given key as value without any
 		  /// modification.
 		  template <typename T>
 		  class IdentityMap : public MapBase<T, T> {
 		  public:
 		    typedef MapBase<T, T> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    /// \e
 		    const T& operator[](const T& t) const {
 		      return t;
+		    }
 		  };
 		  ///Returns an \c IdentityMap class
 		  ///This function just returns an \c IdentityMap class.
 		  ///\relates IdentityMap
 		  template<typename T>
 		  inline IdentityMap<T> identityMap() {
 		    return IdentityMap<T>();
+		  }
 		  ///\brief Convert the \c Value of a map to another type using
 		  ///the default conversion.
 		  ///
 		  ///This \ref concepts::ReadMap "read only map"
 		  ///converts the \c Value of a map to type \c T.
 		  ///Its \c Key is inherited from \c M.
 		  template <typename M, typename T>
 		  class ConvertMap : public MapBase<typename M::Key, T> {
 		    const M& m;
 		  public:
 		    typedef MapBase<typename M::Key, T> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    ///Constructor.
 		    ///\param _m is the underlying map.
 		    ConvertMap(const M &_m) : m(_m) {};
 		    ///\e
 		    Value operator[](const Key& k) const {return m[k];}
 		  };
 		  ///Returns a \c ConvertMap class
 		  ///This function just returns a \c ConvertMap class.
 		  ///\relates ConvertMap
 		  template<typename T, typename M>
 		  inline ConvertMap<M, T> convertMap(const M &m) {
 		    return ConvertMap<M, T>(m);
+		  }
 		  ///Simple wrapping of a map
 		  ///This \ref concepts::ReadMap "read only map" returns the simple
 		  ///wrapping of the given map. Sometimes the reference maps cannot be
 		  ///combined with simple read maps. This map adaptor wraps the given
 		  ///map to simple read map.
 		  ///
 		  ///\sa SimpleWriteMap
 		  ///
 		  /// \todo Revise the misleading name
 		  template<typename M>
 		  class SimpleMap : public MapBase<typename M::Key, typename M::Value> {
 		    const M& m;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    SimpleMap(const M &_m) : m(_m) {};
 		    ///\e
 		    Value operator[](Key k) const {return m[k];}
 		  };
 		  ///Returns a \c SimpleMap class
 		  ///This function just returns a \c SimpleMap class.
 		  ///\relates SimpleMap
 		  template<typename M>
 		  inline SimpleMap<M> simpleMap(const M &m) {
 		    return SimpleMap<M>(m);
+		  }
 		  ///Simple writable wrapping of a map
 		  ///This \ref concepts::ReadWriteMap "read-write map" returns the simple
 		  ///wrapping of the given map. Sometimes the reference maps cannot be
 		  ///combined with simple read-write maps. This map adaptor wraps the
 		  ///given map to simple read-write map.
 		  ///
 		  ///\sa SimpleMap
 		  ///
 		  /// \todo Revise the misleading name
 		  template<typename M>
 		  class SimpleWriteMap : public MapBase<typename M::Key, typename M::Value> {
 		    M& m;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    SimpleWriteMap(M &_m) : m(_m) {};
 		    ///\e
 		    Value operator[](Key k) const {return m[k];}
 		    ///\e
 		    void set(Key k, const Value& c) { m.set(k, c); }
 		  };
 		  ///Returns a \c SimpleWriteMap class
 		  ///This function just returns a \c SimpleWriteMap class.
 		  ///\relates SimpleWriteMap
 		  template<typename M>
 		  inline SimpleWriteMap<M> simpleWriteMap(M &m) {
 		    return SimpleWriteMap<M>(m);
+		  }
 		  ///Sum of two maps
 		  ///This \ref concepts::ReadMap "read only map" returns the sum of the two
 		  ///given maps.
 		  ///Its \c Key and \c Value are inherited from \c M1.
 		  ///The \c Key and \c Value of \c M2 must be convertible to those of \c M1.
 		  template<typename M1, typename M2>
 		  class AddMap : public MapBase<typename M1::Key, typename M1::Value> {
 		    const M1& m1;
 		    const M2& m2;
 		  public:
 		    typedef MapBase<typename M1::Key, typename M1::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    AddMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {};
 		    ///\e
 		    Value operator[](Key k) const {return m1[k]+m2[k];}
 		  };
 		  ///Returns an \c AddMap class
 		  ///This function just returns an \c AddMap class.
 		  ///\todo Extend the documentation: how to call these type of functions?
 		  ///
 		  ///\relates AddMap
 		  template<typename M1, typename M2>
 		  inline AddMap<M1, M2> addMap(const M1 &m1,const M2 &m2) {
 		    return AddMap<M1, M2>(m1,m2);
+		  }
 		  ///Shift a map with a constant.
 		  ///This \ref concepts::ReadMap "read only map" returns the sum of the
 		  ///given map and a constant value.
 		  ///Its \c Key and \c Value are inherited from \c M.
 		  ///
 		  ///Actually,
 		  ///\code
 		  ///  ShiftMap<X> sh(x,v);
 		  ///\endcode
 		  ///is equivalent to
 		  ///\code
 		  ///  ConstMap<X::Key, X::Value> c_tmp(v);
 		  ///  AddMap<X, ConstMap<X::Key, X::Value> > sh(x,v);
 		  ///\endcode
 		  ///
 		  ///\sa ShiftWriteMap
 		  template<typename M, typename C = typename M::Value>
 		  class ShiftMap : public MapBase<typename M::Key, typename M::Value> {
 		    const M& m;
 		    C v;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    ///Constructor.
 		    ///\param _m is the undelying map.
 		    ///\param _v is the shift value.
 		    ShiftMap(const M &_m, const C &_v ) : m(_m), v(_v) {};
 		    ///\e
 		    Value operator[](Key k) const {return m[k] + v;}
 		  };
 		  ///Shift a map with a constant (ReadWrite version).
 		  ///This \ref concepts::ReadWriteMap "read-write map" returns the sum of the
 		  ///given map and a constant value. It makes also possible to write the map.
 		  ///Its \c Key and \c Value are inherited from \c M.
 		  ///
 		  ///\sa ShiftMap
 		  template<typename M, typename C = typename M::Value>
 		  class ShiftWriteMap : public MapBase<typename M::Key, typename M::Value> {
 		    M& m;
 		    C v;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    ///Constructor.
 		    ///\param _m is the undelying map.
 		    ///\param _v is the shift value.
 		    ShiftWriteMap(M &_m, const C &_v ) : m(_m), v(_v) {};
 		    /// \e
 		    Value operator[](Key k) const {return m[k] + v;}
 		    /// \e
 		    void set(Key k, const Value& c) { m.set(k, c - v); }
 		  };
 		  ///Returns a \c ShiftMap class
 		  ///This function just returns a \c ShiftMap class.
 		  ///\relates ShiftMap
 		  template<typename M, typename C>
 		  inline ShiftMap<M, C> shiftMap(const M &m,const C &v) {
 		    return ShiftMap<M, C>(m,v);
+		  }
 		  ///Returns a \c ShiftWriteMap class
 		  ///This function just returns a \c ShiftWriteMap class.
 		  ///\relates ShiftWriteMap
 		  template<typename M, typename C>
 		  inline ShiftWriteMap<M, C> shiftMap(M &m,const C &v) {
 		    return ShiftWriteMap<M, C>(m,v);
+		  }
 		  ///Difference of two maps
 		  ///This \ref concepts::ReadMap "read only map" returns the difference
 		  ///of the values of the two given maps.
 		  ///Its \c Key and \c Value are inherited from \c M1.
 		  ///The \c Key and \c Value of \c M2 must be convertible to those of \c M1.
 		  ///
 		  /// \todo Revise the misleading name
 		  template<typename M1, typename M2>
 		  class SubMap : public MapBase<typename M1::Key, typename M1::Value> {
 		    const M1& m1;
 		    const M2& m2;
 		  public:
 		    typedef MapBase<typename M1::Key, typename M1::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    SubMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {};
 		    /// \e
 		    Value operator[](Key k) const {return m1[k]-m2[k];}
 		  };
 		  ///Returns a \c SubMap class
 		  ///This function just returns a \c SubMap class.
 		  ///
 		  ///\relates SubMap
 		  template<typename M1, typename M2>
 		  inline SubMap<M1, M2> subMap(const M1 &m1, const M2 &m2) {
 		    return SubMap<M1, M2>(m1, m2);
+		  }
 		  ///Product of two maps
 		  ///This \ref concepts::ReadMap "read only map" returns the product of the
 		  ///values of the two given maps.
 		  ///Its \c Key and \c Value are inherited from \c M1.
 		  ///The \c Key and \c Value of \c M2 must be convertible to those of \c M1.
 		  template<typename M1, typename M2>
 		  class MulMap : public MapBase<typename M1::Key, typename M1::Value> {
 		    const M1& m1;
 		    const M2& m2;
 		  public:
 		    typedef MapBase<typename M1::Key, typename M1::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    MulMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {};
 		    /// \e
 		    Value operator[](Key k) const {return m1[k]*m2[k];}
 		  };
 		  ///Returns a \c MulMap class
 		  ///This function just returns a \c MulMap class.
 		  ///\relates MulMap
 		  template<typename M1, typename M2>
 		  inline MulMap<M1, M2> mulMap(const M1 &m1,const M2 &m2) {
 		    return MulMap<M1, M2>(m1,m2);
+		  }
 		  ///Scales a map with a constant.
 		  ///This \ref concepts::ReadMap "read only map" returns the value of the
 		  ///given map multiplied from the left side with a constant value.
 		  ///Its \c Key and \c Value are inherited from \c M.
 		  ///
 		  ///Actually,
 		  ///\code
 		  ///  ScaleMap<X> sc(x,v);
 		  ///\endcode
 		  ///is equivalent to
 		  ///\code
 		  ///  ConstMap<X::Key, X::Value> c_tmp(v);
 		  ///  MulMap<X, ConstMap<X::Key, X::Value> > sc(x,v);
 		  ///\endcode
 		  ///
 		  ///\sa ScaleWriteMap
 		  template<typename M, typename C = typename M::Value>
 		  class ScaleMap : public MapBase<typename M::Key, typename M::Value> {
 		    const M& m;
 		    C v;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    ///Constructor.
 		    ///\param _m is the undelying map.
 		    ///\param _v is the scaling value.
 		    ScaleMap(const M &_m, const C &_v ) : m(_m), v(_v) {};
 		    /// \e
 		    Value operator[](Key k) const {return v * m[k];}
 		  };
 		  ///Scales a map with a constant (ReadWrite version).
 		  ///This \ref concepts::ReadWriteMap "read-write map" returns the value of the
 		  ///given map multiplied from the left side with a constant value. It can
 		  ///also be used as write map if the \c / operator is defined between
 		  ///\c Value and \c C and the given multiplier is not zero.
 		  ///Its \c Key and \c Value are inherited from \c M.
 		  ///
 		  ///\sa ScaleMap
 		  template<typename M, typename C = typename M::Value>
 		  class ScaleWriteMap : public MapBase<typename M::Key, typename M::Value> {
 		    M& m;
 		    C v;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    ///Constructor.
 		    ///\param _m is the undelying map.
 		    ///\param _v is the scaling value.
 		    ScaleWriteMap(M &_m, const C &_v ) : m(_m), v(_v) {};
 		    /// \e
 		    Value operator[](Key k) const {return v * m[k];}
 		    /// \e
 		    void set(Key k, const Value& c) { m.set(k, c / v);}
 		  };
 		  ///Returns a \c ScaleMap class
 		  ///This function just returns a \c ScaleMap class.
 		  ///\relates ScaleMap
 		  template<typename M, typename C>
 		  inline ScaleMap<M, C> scaleMap(const M &m,const C &v) {
 		    return ScaleMap<M, C>(m,v);
+		  }
 		  ///Returns a \c ScaleWriteMap class
 		  ///This function just returns a \c ScaleWriteMap class.
 		  ///\relates ScaleWriteMap
 		  template<typename M, typename C>
 		  inline ScaleWriteMap<M, C> scaleMap(M &m,const C &v) {
 		    return ScaleWriteMap<M, C>(m,v);
+		  }
 		  ///Quotient of two maps
 		  ///This \ref concepts::ReadMap "read only map" returns the quotient of the
 		  ///values of the two given maps.
 		  ///Its \c Key and \c Value are inherited from \c M1.
 		  ///The \c Key and \c Value of \c M2 must be convertible to those of \c M1.
 		  template<typename M1, typename M2>
 		  class DivMap : public MapBase<typename M1::Key, typename M1::Value> {
 		    const M1& m1;
 		    const M2& m2;
 		  public:
 		    typedef MapBase<typename M1::Key, typename M1::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    DivMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {};
 		    /// \e
 		    Value operator[](Key k) const {return m1[k]/m2[k];}
 		  };
 		  ///Returns a \c DivMap class
 		  ///This function just returns a \c DivMap class.
 		  ///\relates DivMap
 		  template<typename M1, typename M2>
 		  inline DivMap<M1, M2> divMap(const M1 &m1,const M2 &m2) {
 		    return DivMap<M1, M2>(m1,m2);
+		  }
 		  ///Composition of two maps
 		  ///This \ref concepts::ReadMap "read only map" returns the composition of
 		  ///two given maps.
 		  ///That is to say, if \c m1 is of type \c M1 and \c m2 is of \c M2,
 		  ///then for
 		  ///\code
 		  ///  ComposeMap<M1, M2> cm(m1,m2);
 		  ///\endcode
 		  /// <tt>cm[x]</tt> will be equal to <tt>m1[m2[x]]</tt>.
 		  ///
 		  ///Its \c Key is inherited from \c M2 and its \c Value is from \c M1.
 		  ///\c M2::Value must be convertible to \c M1::Key.
 		  ///
 		  ///\sa CombineMap
 		  ///
 		  ///\todo Check the requirements.
 		  template <typename M1, typename M2>
 		  class ComposeMap : public MapBase<typename M2::Key, typename M1::Value> {
 		    const M1& m1;
 		    const M2& m2;
 		  public:
 		    typedef MapBase<typename M2::Key, typename M1::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    ComposeMap(const M1 &_m1,const M2 &_m2) : m1(_m1), m2(_m2) {};
 		    /// \e
 		    /// \todo Use the  MapTraits once it is ported.
 		    ///
 		    //typename MapTraits<M1>::ConstReturnValue
 		    typename M1::Value
 		    operator[](Key k) const {return m1[m2[k]];}
 		  };
 		  ///Returns a \c ComposeMap class
 		  ///This function just returns a \c ComposeMap class.
 		  ///\relates ComposeMap
 		  template <typename M1, typename M2>
 		  inline ComposeMap<M1, M2> composeMap(const M1 &m1,const M2 &m2) {
 		    return ComposeMap<M1, M2>(m1,m2);
+		  }
 		  ///Combine of two maps using an STL (binary) functor.
 		  ///Combine of two maps using an STL (binary) functor.
 		  ///
 		  ///This \ref concepts::ReadMap "read only map" takes two maps and a
 		  ///binary functor and returns the composition of the two
 		  ///given maps unsing the functor.
 		  ///That is to say, if \c m1 and \c m2 is of type \c M1 and \c M2
 		  ///and \c f is of \c F, then for
 		  ///\code
 		  ///  CombineMap<M1,M2,F,V> cm(m1,m2,f);
 		  ///\endcode
 		  /// <tt>cm[x]</tt> will be equal to <tt>f(m1[x],m2[x])</tt>
 		  ///
 		  ///Its \c Key is inherited from \c M1 and its \c Value is \c V.
 		  ///\c M2::Value and \c M1::Value must be convertible to the corresponding
 		  ///input parameter of \c F and the return type of \c F must be convertible
 		  ///to \c V.
 		  ///
 		  ///\sa ComposeMap
 		  ///
 		  ///\todo Check the requirements.
 		  template<typename M1, typename M2, typename F,
 			   typename V = typename F::result_type>
 		  class CombineMap : public MapBase<typename M1::Key, V> {
 		    const M1& m1;
 		    const M2& m2;
 		    F f;
 		  public:
 		    typedef MapBase<typename M1::Key, V> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    CombineMap(const M1 &_m1,const M2 &_m2,const F &_f = F())
 		      : m1(_m1), m2(_m2), f(_f) {};
 		    /// \e
 		    Value operator[](Key k) const {return f(m1[k],m2[k]);}
 		  };
 		  ///Returns a \c CombineMap class
 		  ///This function just returns a \c CombineMap class.
 		  ///
 		  ///For example if \c m1 and \c m2 are both \c double valued maps, then
 		  ///\code
 		  ///combineMap(m1,m2,std::plus<double>())
 		  ///\endcode
 		  ///is equivalent to
 		  ///\code
 		  ///addMap(m1,m2)
 		  ///\endcode
 		  ///
 		  ///This function is specialized for adaptable binary function
 		  ///classes and C++ functions.
 		  ///
 		  ///\relates CombineMap
 		  template<typename M1, typename M2, typename F, typename V>
 		  inline CombineMap<M1, M2, F, V>
 		  combineMap(const M1& m1,const M2& m2, const F& f) {
 		    return CombineMap<M1, M2, F, V>(m1,m2,f);
+		  }
 		  template<typename M1, typename M2, typename F>
 		  inline CombineMap<M1, M2, F, typename F::result_type>
 		  combineMap(const M1& m1, const M2& m2, const F& f) {
 		    return combineMap<M1, M2, F, typename F::result_type>(m1,m2,f);
+		  }
 		  template<typename M1, typename M2, typename K1, typename K2, typename V>
 		  inline CombineMap<M1, M2, V (*)(K1, K2), V>
 		  combineMap(const M1 &m1, const M2 &m2, V (*f)(K1, K2)) {
 		    return combineMap<M1, M2, V (*)(K1, K2), V>(m1,m2,f);
+		  }
 		  ///Negative value of a map
 		  ///This \ref concepts::ReadMap "read only map" returns the negative
 		  ///value of the value returned by the given map.
 		  ///Its \c Key and \c Value are inherited from \c M.
 		  ///The unary \c - operator must be defined for \c Value, of course.
 		  ///
 		  ///\sa NegWriteMap
 		  template<typename M>
 		  class NegMap : public MapBase<typename M::Key, typename M::Value> {
 		    const M& m;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    NegMap(const M &_m) : m(_m) {};
 		    /// \e
 		    Value operator[](Key k) const {return -m[k];}
 		  };
 		  ///Negative value of a map (ReadWrite version)
 		  ///This \ref concepts::ReadWriteMap "read-write map" returns the negative
 		  ///value of the value returned by the given map.
 		  ///Its \c Key and \c Value are inherited from \c M.
 		  ///The unary \c - operator must be defined for \c Value, of course.
 		  ///
 		  /// \sa NegMap
 		  template<typename M>
 		  class NegWriteMap : public MapBase<typename M::Key, typename M::Value> {
 		    M& m;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    NegWriteMap(M &_m) : m(_m) {};
 		    /// \e
 		    Value operator[](Key k) const {return -m[k];}
 		    /// \e
 		    void set(Key k, const Value& v) { m.set(k, -v); }
 		  };
 		  ///Returns a \c NegMap class
 		  ///This function just returns a \c NegMap class.
 		  ///\relates NegMap
 		  template <typename M>
 		  inline NegMap<M> negMap(const M &m) {
 		    return NegMap<M>(m);
+		  }
 		  ///Returns a \c NegWriteMap class
 		  ///This function just returns a \c NegWriteMap class.
 		  ///\relates NegWriteMap
 		  template <typename M>
 		  inline NegWriteMap<M> negMap(M &m) {
 		    return NegWriteMap<M>(m);
+		  }
 		  ///Absolute value of a map
 		  ///This \ref concepts::ReadMap "read only map" returns the absolute value
 		  ///of the value returned by the given map.
 		  ///Its \c Key and \c Value are inherited from \c M.
 		  ///\c Value must be comparable to \c 0 and the unary \c -
 		  ///operator must be defined for it, of course.
 		  template<typename M>
 		  class AbsMap : public MapBase<typename M::Key, typename M::Value> {
 		    const M& m;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    AbsMap(const M &_m) : m(_m) {};
 		    /// \e
 		    Value operator[](Key k) const {
 		      Value tmp = m[k];
 		      return tmp >= 0 ? tmp : -tmp;
+		    }
 		  };
 		  ///Returns an \c AbsMap class
 		  ///This function just returns an \c AbsMap class.
 		  ///\relates AbsMap
 		  template<typename M>
 		  inline AbsMap<M> absMap(const M &m) {
 		    return AbsMap<M>(m);
+		  }
 		  ///Converts an STL style functor to a map
 		  ///This \ref concepts::ReadMap "read only map" returns the value
 		  ///of a given functor.
 		  ///
 		  ///Template parameters \c K and \c V will become its
 		  ///\c Key and \c Value.
 		  ///In most cases they have to be given explicitly because a
 		  ///functor typically does not provide \c argument_type and
 		  ///\c result_type typedefs.
 		  ///
 		  ///Parameter \c F is the type of the used functor.
 		  ///
 		  ///\sa MapFunctor
 		  template<typename F,
 			   typename K = typename F::argument_type,
 			   typename V = typename F::result_type>
 		  class FunctorMap : public MapBase<K, V> {
 		    F f;
 		  public:
 		    typedef MapBase<K, V> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    FunctorMap(const F &_f = F()) : f(_f) {}
 		    /// \e
 		    Value operator[](Key k) const { return f(k);}
 		  };
 		  ///Returns a \c FunctorMap class
 		  ///This function just returns a \c FunctorMap class.
 		  ///
 		  ///This function is specialized for adaptable binary function
 		  ///classes and C++ functions.
 		  ///
 		  ///\relates FunctorMap
 		  template<typename K, typename V, typename F> inline
 		  FunctorMap<F, K, V> functorMap(const F &f) {
 		    return FunctorMap<F, K, V>(f);
+		  }
 		  template <typename F> inline
 		  FunctorMap<F, typename F::argument_type, typename F::result_type>
 		  functorMap(const F &f) {
 		    return FunctorMap<F, typename F::argument_type,
 		      typename F::result_type>(f);
+		  }
 		  template <typename K, typename V> inline
 		  FunctorMap<V (*)(K), K, V> functorMap(V (*f)(K)) {
 		    return FunctorMap<V (*)(K), K, V>(f);
+		  }
 		  ///Converts a map to an STL style (unary) functor
 		  ///This class Converts a map to an STL style (unary) functor.
 		  ///That is it provides an <tt>operator()</tt> to read its values.
 		  ///
 		  ///For the sake of convenience it also works as
 		  ///a ususal \ref concepts::ReadMap "readable map",
 		  ///i.e. <tt>operator[]</tt> and the \c Key and \c Value typedefs also exist.
 		  ///
 		  ///\sa FunctorMap
 		  template <typename M>
 		  class MapFunctor : public MapBase<typename M::Key, typename M::Value> {
 		    const M& m;
 		  public:
 		    typedef MapBase<typename M::Key, typename M::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    typedef typename M::Key argument_type;
 		    typedef typename M::Value result_type;
 		    ///Constructor
 		    MapFunctor(const M &_m) : m(_m) {};
 		    ///\e
 		    Value operator()(Key k) const {return m[k];}
 		    ///\e
 		    Value operator[](Key k) const {return m[k];}
 		  };
 		  ///Returns a \c MapFunctor class
 		  ///This function just returns a \c MapFunctor class.
 		  ///\relates MapFunctor
 		  template<typename M>
 		  inline MapFunctor<M> mapFunctor(const M &m) {
 		    return MapFunctor<M>(m);
+		  }
 		  ///Just readable version of \ref ForkWriteMap
 		  ///This map has two \ref concepts::ReadMap "readable map"
 		  ///parameters and each read request will be passed just to the
 		  ///first map. This class is the just readable map type of \c ForkWriteMap.
 		  ///
 		  ///The \c Key and \c Value are inherited from \c M1.
 		  ///The \c Key and \c Value of \c M2 must be convertible from those of \c M1.
 		  ///
 		  ///\sa ForkWriteMap
 		  ///
 		  /// \todo Why is it needed?
 		  template<typename  M1, typename M2>
 		  class ForkMap : public MapBase<typename M1::Key, typename M1::Value> {
 		    const M1& m1;
 		    const M2& m2;
 		  public:
 		    typedef MapBase<typename M1::Key, typename M1::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    ForkMap(const M1 &_m1, const M2 &_m2) : m1(_m1), m2(_m2) {};
 		    /// \e
 		    Value operator[](Key k) const {return m1[k];}
 		  };
 		  ///Applies all map setting operations to two maps
 		  ///This map has two \ref concepts::WriteMap "writable map"
 		  ///parameters and each write request will be passed to both of them.
 		  ///If \c M1 is also \ref concepts::ReadMap "readable",
 		  ///then the read operations will return the
 		  ///corresponding values of \c M1.
 		  ///
 		  ///The \c Key and \c Value are inherited from \c M1.
 		  ///The \c Key and \c Value of \c M2 must be convertible from those of \c M1.
 		  ///
 		  ///\sa ForkMap
 		  template<typename  M1, typename M2>
 		  class ForkWriteMap : public MapBase<typename M1::Key, typename M1::Value> {
 		    M1& m1;
 		    M2& m2;
 		  public:
 		    typedef MapBase<typename M1::Key, typename M1::Value> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    ///Constructor
 		    ForkWriteMap(M1 &_m1, M2 &_m2) : m1(_m1), m2(_m2) {};
 		    ///\e
 		    Value operator[](Key k) const {return m1[k];}
 		    ///\e
 		    void set(Key k, const Value &v) {m1.set(k,v); m2.set(k,v);}
 		  };
 		  ///Returns a \c ForkMap class
 		  ///This function just returns a \c ForkMap class.
 		  ///\relates ForkMap
 		  template <typename M1, typename M2>
 		  inline ForkMap<M1, M2> forkMap(const M1 &m1, const M2 &m2) {
 		    return ForkMap<M1, M2>(m1,m2);
+		  }
 		  ///Returns a \c ForkWriteMap class
 		  ///This function just returns a \c ForkWriteMap class.
 		  ///\relates ForkWriteMap
 		  template <typename M1, typename M2>
 		  inline ForkWriteMap<M1, M2> forkMap(M1 &m1, M2 &m2) {
 		    return ForkWriteMap<M1, M2>(m1,m2);
+		  }
 		  /* ************* BOOL MAPS ******************* */
 		  ///Logical 'not' of a map
 		  ///This bool \ref concepts::ReadMap "read only map" returns the
 		  ///logical negation of the value returned by the given map.
 		  ///Its \c Key is inherited from \c M, its \c Value is \c bool.
 		  ///
 		  ///\sa NotWriteMap
 		  template <typename M>
 		  class NotMap : public MapBase<typename M::Key, bool> {
 		    const M& m;
 		  public:
 		    typedef MapBase<typename M::Key, bool> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    /// Constructor
 		    NotMap(const M &_m) : m(_m) {};
 		    ///\e
 		    Value operator[](Key k) const {return !m[k];}
 		  };
 		  ///Logical 'not' of a map (ReadWrie version)
 		  ///This bool \ref concepts::ReadWriteMap "read-write map" returns the
 		  ///logical negation of the value returned by the given map. When it is set,
 		  ///the opposite value is set to the original map.
 		  ///Its \c Key is inherited from \c M, its \c Value is \c bool.
 		  ///
 		  ///\sa NotMap
 		  template <typename M>
 		  class NotWriteMap : public MapBase<typename M::Key, bool> {
 		    M& m;
 		  public:
 		    typedef MapBase<typename M::Key, bool> Parent;
 		    typedef typename Parent::Key Key;
 		    typedef typename Parent::Value Value;
 		    /// Constructor
 		    NotWriteMap(M &_m) : m(_m) {};
 		    ///\e
 		    Value operator[](Key k) const {return !m[k];}
 		    ///\e
 		    void set(Key k, bool v) { m.set(k, !v); }
 		  };
 		  ///Returns a \c NotMap class
 		  ///This function just returns a \c NotMap class.
 		  ///\relates NotMap
 		  template <typename M>
 		  inline NotMap<M> notMap(const M &m) {
 		    return NotMap<M>(m);
+		  }
 		  ///Returns a \c NotWriteMap class
 		  ///This function just returns a \c NotWriteMap class.
 		  ///\relates NotWriteMap
 		  template <typename M>
 		  inline NotWriteMap<M> notMap(M &m) {
 		    return NotWriteMap<M>(m);
+		  }
 		  namespace _maps_bits {
 		    template <typename Value>
 		    struct Identity {
 		      typedef Value argument_type;
 		      typedef Value result_type;
 		      Value operator()(const Value& val) const {
 			return val;
+		      }
 		    };
 		    template <typename _Iterator, typename Enable = void>
 		    struct IteratorTraits {
 		      typedef typename std::iterator_traits<_Iterator>::value_type Value;
 		    };
 		    template <typename _Iterator>
 		    struct IteratorTraits<_Iterator,
 		      typename exists<typename _Iterator::container_type>::type>
+		    {
 		      typedef typename _Iterator::container_type::value_type Value;
 		    };
+		  }
 		  /// \brief Writable bool map for logging each \c true assigned element
 		  ///
 		  /// A \ref concepts::ReadWriteMap "read-write" bool map for logging
 		  /// each \c true assigned element, i.e it copies all the keys set
 		  /// to \c true to the given iterator.
 		  ///
 		  /// \note The container of the iterator should contain space
 		  /// for each element.
 		  ///
 		  /// The following example shows how you can write the edges found by
 		  /// the \ref Prim algorithm directly to the standard output.
 		  ///\code
 		  /// typedef IdMap<Graph, Edge> EdgeIdMap;
 		  /// EdgeIdMap edgeId(graph);
 		  ///
 		  /// typedef MapFunctor<EdgeIdMap> EdgeIdFunctor;
 		  /// EdgeIdFunctor edgeIdFunctor(edgeId);
 		  ///
 		  /// StoreBoolMap<ostream_iterator<int>, EdgeIdFunctor>
 		  ///   writerMap(ostream_iterator<int>(cout, " "), edgeIdFunctor);
 		  ///
 		  /// prim(graph, cost, writerMap);
 		  ///\endcode
 		  ///
 		  ///\sa BackInserterBoolMap
 		  ///\sa FrontInserterBoolMap
 		  ///\sa InserterBoolMap
 		  ///
 		  ///\todo Revise the name of this class and the related ones.
 		  template <typename _Iterator,
 		            typename _Functor =
 		            _maps_bits::Identity<typename _maps_bits::
 		                                 IteratorTraits<_Iterator>::Value> >
 		  class StoreBoolMap {
 		  public:
 		    typedef _Iterator Iterator;
 		    typedef typename _Functor::argument_type Key;
 		    typedef bool Value;
 		    typedef _Functor Functor;
 		    /// Constructor
 		    StoreBoolMap(Iterator it, const Functor& functor = Functor())
 		      : _begin(it), _end(it), _functor(functor) {}
 		    /// Gives back the given iterator set for the first key
 		    Iterator begin() const {
 		      return _begin;
+		    }
 		    /// Gives back the the 'after the last' iterator
 		    Iterator end() const {
 		      return _end;
+		    }
 		    /// The \c set function of the map
 		    void set(const Key& key, Value value) const {
 		      if (value) {
 			*_end++ = _functor(key);
+		      }
+		    }
 		  private:
 		    Iterator _begin;
 		    mutable Iterator _end;
 		    Functor _functor;
 		  };
 		  /// \brief Writable bool map for logging each \c true assigned element in
 		  /// a back insertable container.
 		  ///
 		  /// Writable bool map for logging each \c true assigned element by pushing
 		  /// them into a back insertable container.
 		  /// It can be used to retrieve the items into a standard
 		  /// container. The next example shows how you can store the
 		  /// edges found by the Prim algorithm in a vector.
 		  ///
 		  ///\code
 		  /// vector<Edge> span_tree_edges;
 		  /// BackInserterBoolMap<vector<Edge> > inserter_map(span_tree_edges);
 		  /// prim(graph, cost, inserter_map);
 		  ///\endcode
 		  ///
 		  ///\sa StoreBoolMap
 		  ///\sa FrontInserterBoolMap
 		  ///\sa InserterBoolMap
 		  template <typename Container,
 		            typename Functor =
 		            _maps_bits::Identity<typename Container::value_type> >
 		  class BackInserterBoolMap {
 		  public:
 		    typedef typename Functor::argument_type Key;
 		    typedef bool Value;
 		    /// Constructor
 		    BackInserterBoolMap(Container& _container,
 		                        const Functor& _functor = Functor())
 		      : container(_container), functor(_functor) {}
 		    /// The \c set function of the map
 		    void set(const Key& key, Value value) {
 		      if (value) {
 			container.push_back(functor(key));
+		      }
+		    }
 		  private:
 		    Container& container;
 		    Functor functor;
 		  };
 		  /// \brief Writable bool map for logging each \c true assigned element in
 		  /// a front insertable container.
 		  ///
 		  /// Writable bool map for logging each \c true assigned element by pushing
 		  /// them into a front insertable container.
 		  /// It can be used to retrieve the items into a standard
 		  /// container. For example see \ref BackInserterBoolMap.
 		  ///
 		  ///\sa BackInserterBoolMap
 		  ///\sa InserterBoolMap
 		  template <typename Container,
 		            typename Functor =
 		            _maps_bits::Identity<typename Container::value_type> >
 		  class FrontInserterBoolMap {
 		  public:
 		    typedef typename Functor::argument_type Key;
 		    typedef bool Value;
 		    /// Constructor
 		    FrontInserterBoolMap(Container& _container,
 		                         const Functor& _functor = Functor())
 		      : container(_container), functor(_functor) {}
 		    /// The \c set function of the map
 		    void set(const Key& key, Value value) {
 		      if (value) {
 			container.push_front(functor(key));
+		      }
+		    }
 		  private:
 		    Container& container;
 		    Functor functor;
 		  };
 		  /// \brief Writable bool map for storing each \c true assigned element in
 		  /// an insertable container.
 		  ///
 		  /// Writable bool map for storing each \c true assigned element in an
 		  /// insertable container. It will insert all the keys set to \c true into
 		  /// the container.
 		  ///
 		  /// For example, if you want to store the cut arcs of the strongly
 		  /// connected components in a set you can use the next code:
 		  ///
 		  ///\code
 		  /// set<Arc> cut_arcs;
 		  /// InserterBoolMap<set<Arc> > inserter_map(cut_arcs);
 		  /// stronglyConnectedCutArcs(digraph, cost, inserter_map);
 		  ///\endcode
 		  ///
 		  ///\sa BackInserterBoolMap
 		  ///\sa FrontInserterBoolMap
 		  template <typename Container,
 		            typename Functor =
 		            _maps_bits::Identity<typename Container::value_type> >
 		  class InserterBoolMap {
 		  public:
 		    typedef typename Container::value_type Key;
 		    typedef bool Value;
 		    /// Constructor with specified iterator
 		    /// Constructor with specified iterator.
 		    /// \param _container The container for storing the elements.
 		    /// \param _it The elements will be inserted before this iterator.
 		    /// \param _functor The functor that is used when an element is stored.
 		    InserterBoolMap(Container& _container, typename Container::iterator _it,
 		                    const Functor& _functor = Functor())
 		      : container(_container), it(_it), functor(_functor) {}
 		    /// Constructor
 		    /// Constructor without specified iterator.
 		    /// The elements will be inserted before <tt>_container.end()</tt>.
 		    /// \param _container The container for storing the elements.
 		    /// \param _functor The functor that is used when an element is stored.
 		    InserterBoolMap(Container& _container, const Functor& _functor = Functor())
 		      : container(_container), it(_container.end()), functor(_functor) {}
 		    /// The \c set function of the map
 		    void set(const Key& key, Value value) {
 		      if (value) {
 			it = container.insert(it, functor(key));
 		        ++it;
+		      }
+		    }
 		  private:
 		    Container& container;
 		    typename Container::iterator it;
 		    Functor functor;
 		  };
 		  /// \brief Writable bool map for filling each \c true assigned element with a
 		  /// given value.
 		  ///
 		  /// Writable bool map for filling each \c true assigned element with a
 		  /// given value. The value can set the container.
 		  ///
 		  /// The following code finds the connected components of a graph
 		  /// and stores it in the \c comp map:
 		  ///\code
 		  /// typedef Graph::NodeMap<int> ComponentMap;
 		  /// ComponentMap comp(graph);
 		  /// typedef FillBoolMap<Graph::NodeMap<int> > ComponentFillerMap;
 		  /// ComponentFillerMap filler(comp, 0);
 		  ///
 		  /// Dfs<Graph>::DefProcessedMap<ComponentFillerMap>::Create dfs(graph);
 		  /// dfs.processedMap(filler);
 		  /// dfs.init();
 		  /// for (NodeIt it(graph); it != INVALID; ++it) {
 		  ///   if (!dfs.reached(it)) {
 		  ///     dfs.addSource(it);
 		  ///     dfs.start();
 		  ///     ++filler.fillValue();
 		  ///   }
 		  /// }
 		  ///\endcode
 		  template <typename Map>
 		  class FillBoolMap {
 		  public:
 		    typedef typename Map::Key Key;
 		    typedef bool Value;
 		    /// Constructor
 		    FillBoolMap(Map& _map, const typename Map::Value& _fill)
 		      : map(_map), fill(_fill) {}
 		    /// Constructor
 		    FillBoolMap(Map& _map)
 		      : map(_map), fill() {}
 		    /// Gives back the current fill value
 		    const typename Map::Value& fillValue() const {
 		      return fill;
+		    }
 		    /// Gives back the current fill value
 		    typename Map::Value& fillValue() {
 		      return fill;
+		    }
 		    /// Sets the current fill value
 		    void fillValue(const typename Map::Value& _fill) {
 		      fill = _fill;
+		    }
 		    /// The \c set function of the map
 		    void set(const Key& key, Value value) {
 		      if (value) {
 			map.set(key, fill);
+		      }
+		    }
 		  private:
 		    Map& map;
 		    typename Map::Value fill;
 		  };
 		  /// \brief Writable bool map for storing the sequence number of
 		  /// \c true assignments.
 		  ///
 		  /// Writable bool map that stores for each \c true assigned elements
 		  /// the sequence number of this setting.
 		  /// It makes it easy to calculate the leaving
 		  /// order of the nodes in the \c Dfs algorithm.
 		  ///
 		  ///\code
 		  /// typedef Digraph::NodeMap<int> OrderMap;
 		  /// OrderMap order(digraph);
 		  /// typedef SettingOrderBoolMap<OrderMap> OrderSetterMap;
 		  /// OrderSetterMap setter(order);
 		  /// Dfs<Digraph>::DefProcessedMap<OrderSetterMap>::Create dfs(digraph);
 		  /// dfs.processedMap(setter);
 		  /// dfs.init();
 		  /// for (NodeIt it(digraph); it != INVALID; ++it) {
 		  ///   if (!dfs.reached(it)) {
 		  ///     dfs.addSource(it);
 		  ///     dfs.start();
 		  ///   }
 		  /// }
 		  ///\endcode
 		  ///
 		  /// The storing of the discovering order is more difficult because the
 		  /// ReachedMap should be readable in the dfs algorithm but the setting
 		  /// order map is not readable. Thus we must use the fork map:
 		  ///
 		  ///\code
 		  /// typedef Digraph::NodeMap<int> OrderMap;
 		  /// OrderMap order(digraph);
 		  /// typedef SettingOrderBoolMap<OrderMap> OrderSetterMap;
 		  /// OrderSetterMap setter(order);
 		  /// typedef Digraph::NodeMap<bool> StoreMap;
 		  /// StoreMap store(digraph);
 		  ///
 		  /// typedef ForkWriteMap<StoreMap, OrderSetterMap> ReachedMap;
 		  /// ReachedMap reached(store, setter);
 		  ///
 		  /// Dfs<Digraph>::DefReachedMap<ReachedMap>::Create dfs(digraph);
 		  /// dfs.reachedMap(reached);
 		  /// dfs.init();
 		  /// for (NodeIt it(digraph); it != INVALID; ++it) {
 		  ///   if (!dfs.reached(it)) {
 		  ///     dfs.addSource(it);
 		  ///     dfs.start();
 		  ///   }
 		  /// }
 		  ///\endcode
 		  template <typename Map>
 		  class SettingOrderBoolMap {
 		  public:
 		    typedef typename Map::Key Key;
 		    typedef bool Value;
 		    /// Constructor
 		    SettingOrderBoolMap(Map& _map)
 		      : map(_map), counter(0) {}
 		    /// Number of set operations.
 		    int num() const {
 		      return counter;
+		    }
 		    /// The \c set function of the map
 		    void set(const Key& key, Value value) {
 		      if (value) {
 			map.set(key, counter++);
+		      }
+		    }
 		  private:
 		    Map& map;
 		    int counter;
 		  };
 		  /// @}
+		}
 		#endif // LEMON_MAPS_H

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