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41 public: |
41 public: |
42 CinCoutMap(Graph &_G) : G(_G) { } |
42 CinCoutMap(Graph &_G) : G(_G) { } |
43 RefType operator[] (Edge e) const { return RefType(G,e);} |
43 RefType operator[] (Edge e) const { return RefType(G,e);} |
44 }; |
44 }; |
45 |
45 |
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46 template<class K,class T> |
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47 class NullMap |
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48 { |
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49 public: |
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50 typedef K KeyType; |
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51 typedef T ValueType; |
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52 |
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53 class RefType |
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54 { |
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55 ValueType val; |
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56 public: |
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57 RefType(ValueType v) : val(v) { } |
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58 operator ValueType() const { return val; } |
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59 ValueType operator = (ValueType v) const { return val; } |
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60 }; |
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61 |
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62 private: |
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63 ValueType val; |
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64 public: |
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65 NullMap(ValueType v) : val(v) { } |
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66 RefType operator[] (KeyType e) const { return RefType(v);} |
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67 }; |
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68 |
46 int main() |
69 int main() |
47 { |
70 { |
48 typedef SmartGraph Graph; |
71 typedef SmartGraph Graph; |
49 typedef Graph::NodeIt NodeIt; |
72 typedef Graph::NodeIt NodeIt; |
50 typedef Graph::OutEdgeIt OutEdgeIt; |
73 typedef Graph::OutEdgeIt OutEdgeIt; |