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bexpr.hh
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26 
27 #ifndef MLN_METAL_BEXPR_HH
28 # define MLN_METAL_BEXPR_HH
29 
35 # include <mln/metal/bool.hh>
36 
37 
38 # define mlc_not( B ) mln::metal::not_< B >
39 # define mlc_and( B1, B2 ) mln::metal::and_< B1, B2 >
40 # define mlc_or( B1, B2 ) mln::metal::or_ < B1, B2 >
41 # define mlc_xor( B1, B2 ) mln::metal::xor_< B1, B2 >
42 
43 
44 namespace mln
45 {
46 
47  namespace metal
48  {
49 
54  template <typename B>
55  struct not_ : bool_<( ! B::value )>
56  {};
57 
58 
63  template <typename L, typename R>
64  struct and_ : bool_<( L::value && R::value )>
65  {};
66 
67 
72  template <typename L, typename R>
73  struct or_ : bool_<( L::value || R::value )>
74  {};
75 
76 
81  template <typename L, typename R>
82  struct xor_ : bool_<( L::value ^ R::value )>
83  {};
84 
85 
86  } // end of namespace mln::metal
87 
88 } // end of namespace mln
89 
90 
91 #endif // ! MLN_METAL_BEXPR_HH