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4 #ifndef DUNE_TYPETREE_TYPETRAITS_HH
5 #define DUNE_TYPETREE_TYPETRAITS_HH
8 #include <dune/common/typetraits.hh>
18 template<
typename... T>
21 template<
typename T0,
typename... T>
46 template<
typename T,
typename V>
83 template<
typename T,
typename V>
149 typedef typename std::conditional<
150 std::is_base_of<meta_function,F>::value,
164 return std::false_type();
172 return std::true_type();
189 public decltype(impl::isTreePath((typename std::decay<T>::type*)(nullptr)))
209 #endif // DUNE_TYPETREE_TYPETRAITS_HH
T * declptr()
Helper function for generating a pointer to a value of type T in an unevaluated operand setting.
char dummy[2]
Definition: typetraits.hh:70
Definition: typetraits.hh:104
char dummy[1]
Definition: typetraits.hh:69
char dummy[1]
Definition: typetraits.hh:52
Meta function that evaluates its argument iff it inherits from meta_function.
Definition: typetraits.hh:147
Definition: typetraits.hh:70
Helper meta function to delay evaluation of F.
Definition: typetraits.hh:133
@ value
True if class T defines a NodeTag of type V.
Definition: typetraits.hh:62
Definition: typetraits.hh:51
Definition: typetraits.hh:89
char dummy[2]
Definition: typetraits.hh:33
Definition: typetraits.hh:33
char dummy[2]
Definition: typetraits.hh:51
static yes test(NodeTag< X > *)
std::conditional< std::is_base_of< meta_function, F >::value, lazy_evaluate< F >, lazy_identity< F > >::type::type type
Definition: typetraits.hh:153
char dummy[2]
Definition: typetraits.hh:88
Definition: typetraits.hh:87
Definition: typetraits.hh:30
Definition: typetraits.hh:69
char dummy[1]
Definition: typetraits.hh:89
char dummy[N+1]
Definition: typetraits.hh:50
char dummy[1]
Definition: typetraits.hh:32
void type
Definition: typetraits.hh:106
Definition: typetraits.hh:50
A hybrid version of TreePath that supports both compile time and run time indices.
Definition: treepath.hh:23
F type
Definition: typetraits.hh:142
Definition: typetraits.hh:52
Definition: typetraits.hh:47
@ value
True if class T defines a NodeTag.
Definition: typetraits.hh:42
@ value
True if class T defines an ImplementationTag of type V.
Definition: typetraits.hh:99
Identity function.
Definition: typetraits.hh:140
Definition: typetraits.hh:32
char dummy[N+1]
Definition: typetraits.hh:87
static yes test(ImplementationTag< X > *)
constexpr auto isTreePath(void *) -> std::false_type
Definition: typetraits.hh:161
Definition: typetraits.hh:19
Definition: accumulate_static.hh:13
Marker tag declaring a meta function.
Definition: typetraits.hh:129
Definition: typetraits.hh:88
static maybe< std::is_base_of< V, ImplementationTag< X > >::value > test(ImplementationTag< X > *a)
constexpr auto isTreePath(const T &) -> IsTreePath< T >
Check if given object represents a tree path.
Definition: typetraits.hh:199
F::type type
Definition: typetraits.hh:135
Definition: typetraits.hh:84
T0 type
Definition: typetraits.hh:24
Definition: typetraits.hh:67
Check if type represents a tree path.
Definition: typetraits.hh:188
typename std::decay_t< Node >::NodeTag NodeTag
Returns the node tag of the given Node.
Definition: nodeinterface.hh:62
typename std::decay_t< T >::ImplementationTag ImplementationTag
Returns the implementation tag of the given Node.
Definition: nodeinterface.hh:66
static maybe< std::is_base_of< V, NodeTag< X > >::value > test(NodeTag< X > *a)
@ value
True if class T defines an ImplementationTag.
Definition: typetraits.hh:79