IsConvertible.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_UTIL_TYPETRAITS_ISCONVERTIBLE_H_
36 #define _BLAZE_UTIL_TYPETRAITS_ISCONVERTIBLE_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <boost/type_traits/is_convertible.hpp>
44 #include <blaze/util/FalseType.h>
45 #include <blaze/util/SelectType.h>
46 #include <blaze/util/TrueType.h>
47 
48 
49 namespace blaze {
50 
51 //=================================================================================================
52 //
53 // CLASS DEFINITION
54 //
55 //=================================================================================================
56 
57 //*************************************************************************************************
62 template< typename From, typename To >
63 struct IsConvertibleHelper
64 {
65  //**********************************************************************************************
66  enum { value = boost::is_convertible<From,To>::value };
67  typedef typename SelectType<value,TrueType,FalseType>::Type Type;
68  //**********************************************************************************************
69 };
71 //*************************************************************************************************
72 
73 
74 //*************************************************************************************************
104 template< typename From, typename To >
105 struct IsConvertible : public IsConvertibleHelper<From,To>::Type
106 {
107  public:
108  //**********************************************************************************************
110  enum { value = IsConvertibleHelper<From,To>::value };
111  typedef typename IsConvertibleHelper<From,To>::Type Type;
113  //**********************************************************************************************
114 };
115 //*************************************************************************************************
116 
117 } // namespace blaze
118 
119 #endif
Header file for the FalseType type/value trait base class.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the SelectType class template.
Compile time pointer relationship constraint.This type traits tests whether the first given template ...
Definition: IsConvertible.h:105
Header file for the TrueType type/value trait base class.