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Sacado_mpl_enable_if.hpp
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29 
30 #ifndef SACADO_MPL_ENABLE_IF_HPP
31 #define SACADO_MPL_ENABLE_IF_HPP
32 
33 namespace Sacado {
34 
35  namespace mpl {
36 
37  template <bool, typename T = void>
38  struct enable_if_c {};
39 
40  template <typename T>
41  struct enable_if_c<true, T> {
42  typedef T type;
43  };
44 
45  template <class Cond, typename T = void>
46  struct enable_if
47  : enable_if_c<Cond::value, T> {};
48 
49  template <bool, typename T = void>
50  struct lazy_enable_if_c {};
51 
52  template <typename T>
53  struct lazy_enable_if_c<true, T> {
54  typedef typename T::type type;
55  };
56 
57  template <class Cond, typename T = void>
59  : lazy_enable_if_c<Cond::value, T> {};
60 
61  }
62 
63 }
64 
65 #endif // SACADO_MPL_ENABLE_IF_HPP
expr true
#define T
Definition: Sacado_rad.hpp:573