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values-singleton.hpp
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10  * $Date: 2008-12-05 16:43:57 +0100 (Fri, 05 Dec 2008) $ by $Author: schulte $
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37 
38 namespace Gecode { namespace Iter { namespace Values {
39 
46  class Singleton {
47  protected:
49  bool done;
51  int v;
52  public:
54 
55  Singleton(void);
58  Singleton(int v);
60  void init(int v);
62 
64 
65  bool operator ()(void) const;
68  void operator ++(void);
70 
72 
73  int val(void) const;
76  };
77 
78 
81 
84  : done(false), v(v0) {}
85 
86  forceinline void
87  Singleton::init(int v0) {
88  done=false; v=v0;
89  }
90 
91  forceinline void
93  done=true;
94  }
95  forceinline bool
96  Singleton::operator ()(void) const {
97  return !done;
98  }
99 
100  forceinline int
101  Singleton::val(void) const {
102  return v;
103  }
104 
105 
106 }}}
107 
108 // STATISTICS: iter-any
109 
Value iterator for single value.
bool done
Whether the iterator is done.
void operator++(void)
Move iterator to next value (if possible)
int val(void) const
Return current value.
const int v[7]
Definition: distinct.cpp:207
void init(int v)
Initialize with value v.
Singleton(void)
Default constructor.
#define forceinline
Definition: config.hpp:132
Gecode toplevel namespace
bool operator()(void) const
Test whether iterator is still at a value or done.