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set/has.hh
1 // Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_SET_HAS_HH
27 # define MLN_SET_HAS_HH
28 
36 # include <mln/core/concept/site_set.hh>
37 
38 
39 
40 namespace mln
41 {
42 
43  namespace set
44  {
45 
47  template <typename S>
48  bool
49  has(const Site_Set<S>& s, const mln_site(S)& e);
50 
51 
52 # ifndef MLN_INCLUDE_ONLY
53 
54  template <typename S>
55  bool
56  has(const Site_Set<S>& s_, const mln_site(S)& e)
57  {
58  mln_trace("set::has");
59  const S& s = exact(s_);
60 
61  mln_precondition(s.is_valid());
62  bool found = false;
63 
64  mln_piter(S) p(s);
65  for_all(p)
66  if (p == e)
67  {
68  found = true;
69  break;
70  }
71 
72  return found;
73  }
74 
75 # endif // ! MLN_INCLUDE_ONLY
76 
77  } // end of namespace mln::set
78 
79 } // end of namespace mln
80 
81 
82 #endif // ! MLN_SET_HAS_HH