IsProxy.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_TYPETRAITS_ISPROXY_H_
36 #define _BLAZE_MATH_TYPETRAITS_ISPROXY_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
44 #include <blaze/util/FalseType.h>
45 #include <blaze/util/TrueType.h>
46 
47 
48 namespace blaze {
49 
50 //=================================================================================================
51 //
52 // CLASS DEFINITION
53 //
54 //=================================================================================================
55 
56 //*************************************************************************************************
61 template< typename T >
62 struct IsProxyHelper
63 {
64  private:
65  //**********************************************************************************************
66  static T* create();
67 
68  template< typename PT, typename RT >
69  static TrueType test( const Proxy<PT,RT>* );
70 
71  template< typename PT, typename RT >
72  static TrueType test( const volatile Proxy<PT,RT>* );
73 
74  static FalseType test( ... );
75  //**********************************************************************************************
76 
77  public:
78  //**********************************************************************************************
79  using Type = decltype( test( create() ) );
80  //**********************************************************************************************
81 };
83 //*************************************************************************************************
84 
85 
86 //*************************************************************************************************
110 template< typename T >
111 struct IsProxy
112  : public IsProxyHelper<T>::Type
113 {};
114 //*************************************************************************************************
115 
116 
117 //*************************************************************************************************
122 template< typename T >
123 struct IsProxy<T&>
124  : public FalseType
125 {};
127 //*************************************************************************************************
128 
129 
130 //*************************************************************************************************
143 template< typename T >
144 constexpr bool IsProxy_v = IsProxy<T>::value;
145 //*************************************************************************************************
146 
147 } // namespace blaze
148 
149 #endif
BoolConstant< false > FalseType
Type/value traits base class.The FalseType class is used as base class for type traits and value trai...
Definition: FalseType.h:61
Header file for the FalseType type/value trait base class.
Generic wrapper for a compile time constant integral value.The IntegralConstant class template repres...
Definition: IntegralConstant.h:71
Compile time check for proxy types.This type trait tests whether or not the given template parameter ...
Definition: IsProxy.h:111
BoolConstant< true > TrueType
Type traits base class.The TrueType class is used as base class for type traits and value traits that...
Definition: TrueType.h:61
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
constexpr bool IsProxy_v
Auxiliary variable template for the IsProxy type trait.The IsProxy_v variable template provides a con...
Definition: IsProxy.h:144
Header file for all forward declarations for proxies.
Header file for the TrueType type/value trait base class.