Make allOf function acting on types uniformly callable.

include/crap/algorithm.d/alloftype.h

@@ -1,19 +1,18 @@
 #ifndef CRAP_ALGORITHM_ALLOFTYPE
 #define CRAP_ALGORITHM_ALLOFTYPE
 
+#include <type_traits>
+
 #include "../functional.d/logicalandvalue.h"
 #include "../utility.d/commontype.h"
+#include "../version.d/libintegralconstantcallable.h"
 
 namespace crap
 {
  template <template <class> class, class...> struct allOfType;
 
  template <template <class> class Operator> struct allOfType<Operator>
- {
-  constexpr const static bool value = true;
-  using value_type = decltype(value);
-  constexpr operator value_type () const noexcept;
- };
+	 : std :: integral_constant<bool, true> {};
 
  template <template <class> class Operator, class ... Types> struct allOfType
  {
@@ -23,21 +22,26 @@ namespace crap
   constexpr const static auto value = logicalAndValue <resultType, static_cast<resultType>(Operator <Types> :: value)...> :: value;
   using value_type = decltype(value);
   constexpr operator value_type () const noexcept;
+#if (crap_lib_integral_constant_callable >= 201304L)
+  constexpr value_type operator () () const noexcept;
+#endif
  };
 }
 
-template <template <class> class Operator>
-        inline constexpr crap :: allOfType <Operator> :: operator
-	typename crap :: allOfType <Operator> :: value_type () const noexcept
+template <template <class> class Operator, class ... Types>
+        inline constexpr crap :: allOfType <Operator, Types...> :: operator
+	typename crap :: allOfType <Operator, Types...> :: value_type () const noexcept
 {
- return crap :: allOfType <Operator> :: value;
+ return crap :: allOfType <Operator, Types...> :: value;
 }
+#if (crap_lib_integral_constant_callable >= 201304L)
 
 template <template <class> class Operator, class ... Types>
-        inline constexpr crap :: allOfType <Operator, Types...> :: operator
-	typename crap :: allOfType <Operator, Types...> :: value_type () const noexcept
+	inline constexpr typename crap :: allOfType <Operator, Types...> :: value_type
+	crap :: allOfType <Operator, Types...> :: operator () () const noexcept
 {
  return crap :: allOfType <Operator, Types...> :: value;
 }
 #endif
+#endif