lemon/concepts/path.h
changeset 1143 f85ee41c84bc
parent 1092 dceba191c00d
child 1198 2236d00ca778
equal deleted inserted replaced
17:4870e13dbeac 18:388b7a38cc32
    24 #ifndef LEMON_CONCEPTS_PATH_H
    24 #ifndef LEMON_CONCEPTS_PATH_H
    25 #define LEMON_CONCEPTS_PATH_H
    25 #define LEMON_CONCEPTS_PATH_H
    26 
    26 
    27 #include <lemon/core.h>
    27 #include <lemon/core.h>
    28 #include <lemon/concept_check.h>
    28 #include <lemon/concept_check.h>
       
    29 #include <lemon/bits/stl_iterators.h>
    29 
    30 
    30 namespace lemon {
    31 namespace lemon {
    31   namespace concepts {
    32   namespace concepts {
    32 
    33 
    33     /// \addtogroup concept
    34     /// \addtogroup concept
   113         /// Comparison operator
   114         /// Comparison operator
   114         bool operator<(const ArcIt&) const {return false;}
   115         bool operator<(const ArcIt&) const {return false;}
   115 
   116 
   116       };
   117       };
   117 
   118 
       
   119       /// \brief Gets the collection of the arcs of the path.
       
   120       ///
       
   121       /// This function can be used for iterating on the
       
   122       /// arcs of the path. It returns a wrapped
       
   123       /// ArcIt, which looks like an STL container
       
   124       /// (by having begin() and end()) which you can use in range-based
       
   125       /// for loops, STL algorithms, etc.
       
   126       /// For example you can write:
       
   127       ///\code
       
   128       /// for(auto a: p.arcs())
       
   129       ///   doSomething(a);
       
   130       ///\endcode
       
   131       LemonRangeWrapper1<ArcIt, Path> arcs() const {
       
   132         return LemonRangeWrapper1<ArcIt, Path>(*this);
       
   133       }
       
   134 
       
   135 
   118       template <typename _Path>
   136       template <typename _Path>
   119       struct Constraints {
   137       struct Constraints {
   120         void constraints() {
   138         void constraints() {
   121           Path<Digraph> pc;
   139           Path<Digraph> pc;
   122           _Path p, pp(pc);
   140           _Path p, pp(pc);
   261         bool operator!=(const ArcIt&) const {return true;}
   279         bool operator!=(const ArcIt&) const {return true;}
   262         /// Comparison operator
   280         /// Comparison operator
   263         bool operator<(const ArcIt&) const {return false;}
   281         bool operator<(const ArcIt&) const {return false;}
   264 
   282 
   265       };
   283       };
       
   284 
       
   285       /// \brief Gets the collection of the arcs of the path.
       
   286       ///
       
   287       /// This function can be used for iterating on the
       
   288       /// arcs of the path. It returns a wrapped
       
   289       /// ArcIt, which looks like an STL container
       
   290       /// (by having begin() and end()) which you can use in range-based
       
   291       /// for loops, STL algorithms, etc.
       
   292       /// For example you can write:
       
   293       ///\code
       
   294       /// for(auto a: p.arcs())
       
   295       ///   doSomething(a);
       
   296       ///\endcode
       
   297       LemonRangeWrapper1<ArcIt, PathDumper> arcs() const {
       
   298         return LemonRangeWrapper1<ArcIt, PathDumper>(*this);
       
   299       }
       
   300 
   266 
   301 
   267       /// \brief LEMON style iterator for enumerating the arcs of a path
   302       /// \brief LEMON style iterator for enumerating the arcs of a path
   268       /// in reverse direction.
   303       /// in reverse direction.
   269       ///
   304       ///
   270       /// LEMON style iterator class for enumerating the arcs of a path
   305       /// LEMON style iterator class for enumerating the arcs of a path
   291         /// Comparison operator
   326         /// Comparison operator
   292         bool operator<(const RevArcIt&) const {return false;}
   327         bool operator<(const RevArcIt&) const {return false;}
   293 
   328 
   294       };
   329       };
   295 
   330 
       
   331       /// \brief Gets the collection of the arcs of the path
       
   332       /// in reverse direction.
       
   333       ///
       
   334       /// This function can be used for iterating on the
       
   335       /// arcs of the path in reverse direction. It returns a wrapped
       
   336       /// RevArcIt, which looks like an STL container
       
   337       /// (by having begin() and end()) which you can use in range-based
       
   338       /// for loops, STL algorithms, etc.
       
   339       /// For example you can write:
       
   340       ///\code
       
   341       /// for(auto a: p.revArcs())
       
   342       ///   doSomething(a);
       
   343       ///\endcode
       
   344       LemonRangeWrapper1<RevArcIt, PathDumper> revArcs() const {
       
   345         return LemonRangeWrapper1<RevArcIt, PathDumper>(*this);
       
   346       }
       
   347 
       
   348 
   296       template <typename _Path>
   349       template <typename _Path>
   297       struct Constraints {
   350       struct Constraints {
   298         void constraints() {
   351         void constraints() {
   299           function_requires<_path_bits::
   352           function_requires<_path_bits::
   300             PathDumperConstraints<Digraph, _Path> >();
   353             PathDumperConstraints<Digraph, _Path> >();