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22 |
22 |
23 #ifndef LEMON_CONCEPT_PATH_H |
23 #ifndef LEMON_CONCEPT_PATH_H |
24 #define LEMON_CONCEPT_PATH_H |
24 #define LEMON_CONCEPT_PATH_H |
25 |
25 |
26 #include <lemon/invalid.h> |
26 #include <lemon/invalid.h> |
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27 #include <lemon/concept_check.h> |
27 |
28 |
28 namespace lemon { |
29 namespace lemon { |
29 namespace concept { |
30 namespace concept { |
30 /// \addtogroup concept |
31 /// \addtogroup concept |
31 /// @{ |
32 /// @{ |
52 class NodeIt; |
53 class NodeIt; |
53 class EdgeIt; |
54 class EdgeIt; |
54 |
55 |
55 /// \param _g The graph in which the path is. |
56 /// \param _g The graph in which the path is. |
56 /// |
57 /// |
57 Path(const Graph &_g) {} |
58 Path(const Graph &_g) { |
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59 ignore_unused_variable_warning(_g); |
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60 } |
58 |
61 |
59 /// Length of the path. |
62 /// Length of the path. |
60 int length() const {return 0;} |
63 int length() const {return 0;} |
61 /// Returns whether the path is empty. |
64 /// Returns whether the path is empty. |
62 bool empty() const { return true;} |
65 bool empty() const { return true;} |