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core/concept/value.hh
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26 
27 #ifndef MLN_CORE_CONCEPT_VALUE_HH
28 # define MLN_CORE_CONCEPT_VALUE_HH
29 
34 # include <mln/core/concept/object.hh>
35 # include <mln/trait/value_.hh>
36 
37 
38 namespace mln
39 {
40 
41  // Fwd decl.
42  template <typename E> struct Value;
43 
46  template <>
47  struct Value<void>
48  {
50  };
52 
53 
59  template <typename E>
60  struct Value : public Object<E>
61  {
63 
64  /*
65  typedef enc; // encoding type
66  typedef equiv; // equivalent type
67 
68  equiv to_equiv() const; // go to equivalent value
69  */
70 
71  protected:
72  Value();
73  };
74 
75 
76 
77 # ifndef MLN_INCLUDE_ONLY
78 
79  template <typename E>
80  inline
82  {
83  typedef mln_enc(E) enc;
84  typedef mln_equiv(E) equiv;
85  // FIXME HERE
86 // equiv (E::*m)() const = & E::to_equiv;
87 // m = 0;
88  }
89 
90 # endif // ! MLN_INCLUDE_ONLY
91 
92 } // end of namespace mln
93 
94 
95 //# include <mln/value/cast.hh>
96 
97 
98 #endif // ! MLN_CORE_CONCEPT_VALUE_HH