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unary_param.hh
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25 
26 #include "unary.hh"
27 
28 #ifndef MLN_FUN_UNARY_PARAM_HH
29 # define MLN_FUN_UNARY_PARAM_HH
30 
31 # include <mln/fun/unary.hh>
32 # include <mln/fun/param.hh>
33 
34 namespace mln
35 {
36 
37  namespace fun
38  {
39 
40  template <typename F, typename Param, typename Storage = void, typename E = F>
41  struct unary_param: unary< unary_param<F,Param,Storage,E>, E>
42  {
43  typedef F flag;
44  typedef Param param;
45  typedef Storage storage;
46 
47  unary_param()
48  {
49  }
50 
51  template <typename U>
52  unary_param(const U& param)
53  {
54  this->init(param);
55  }
56 
57  };
58 
59  template <typename F, typename Param, typename E>
60  struct parameter< unary_param<F,Param,void,E> >
61  {
62  typedef Param param;
63  typedef void storage;
64  };
65 
66  template <typename F, typename Param, typename Storage, typename E>
67  struct parameter< unary_param<F,Param,Storage,E> >
68  {
69  typedef Param param;
70  typedef Storage storage;
71 
72  template <typename U>
73  storage compute(const U& u)
74  {
75  return F::compute_param(u);
76  }
77  };
78 
79  }
80 
81  namespace trait
82  {
83 
84  namespace next
85  {
86 
87  template <typename F, typename Param, typename Storage, typename E, typename T>
88  struct set_precise_unary_<mln::fun::unary_param<F,Param,Storage,E>, T>
89  {
90  typedef mln_trait_nunary(F, T) ret;
91  };
92 
93  } // end of namespace mln::trait::next
94 
95  } // end of namespace mln::trait
96 
97 
98 } // end of namespace mln
99 
100 #endif // ! MLN_FUN_UNARY_PARAM_HH