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>
42 value =
sizeof(test<T>(0)) ==
sizeof(
yes)
46 template<
typename T,
typename V>
62 value =
sizeof(test<T>(0)) ==
sizeof(
yes)
79 value =
sizeof(test<T>(0)) ==
sizeof(
yes)
83 template<
typename T,
typename V>
99 value =
sizeof(test<T>(0)) ==
sizeof(
yes)
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)))
typename std::decay_t< Node >::NodeTag NodeTag
Returns the node tag of the given Node.
Definition: nodeinterface.hh:67
typename std::decay_t< T >::ImplementationTag ImplementationTag
Returns the implementation tag of the given Node.
Definition: nodeinterface.hh:71
Definition: accumulate_static.hh:13
constexpr auto isTreePath(const T &) -> IsTreePath< T >
Check if given object represents a tree path.
Definition: typetraits.hh:199
T * declptr()
Helper function for generating a pointer to a value of type T in an unevaluated operand setting.
constexpr auto isTreePath(void *) -> std::false_type
Definition: typetraits.hh:161
A hybrid version of TreePath that supports both compile time and run time indices.
Definition: treepath.hh:79
Definition: typetraits.hh:19
T0 type
Definition: typetraits.hh:24
Definition: typetraits.hh:31
@ value
True if class T defines a NodeTag.
Definition: typetraits.hh:42
static yes test(NodeTag< X > *)
Definition: typetraits.hh:32
char dummy[1]
Definition: typetraits.hh:32
Definition: typetraits.hh:33
char dummy[2]
Definition: typetraits.hh:33
Definition: typetraits.hh:48
@ value
True if class T defines a NodeTag of type V.
Definition: typetraits.hh:62
static maybe< std::is_base_of< V, NodeTag< X > >::value > test(NodeTag< X > *a)
Definition: typetraits.hh:50
char dummy[N+1]
Definition: typetraits.hh:50
Definition: typetraits.hh:51
char dummy[2]
Definition: typetraits.hh:51
Definition: typetraits.hh:52
char dummy[1]
Definition: typetraits.hh:52
Definition: typetraits.hh:68
static yes test(ImplementationTag< X > *)
@ value
True if class T defines an ImplementationTag.
Definition: typetraits.hh:79
Definition: typetraits.hh:69
char dummy[1]
Definition: typetraits.hh:69
Definition: typetraits.hh:70
char dummy[2]
Definition: typetraits.hh:70
Definition: typetraits.hh:85
@ value
True if class T defines an ImplementationTag of type V.
Definition: typetraits.hh:99
static maybe< std::is_base_of< V, ImplementationTag< X > >::value > test(ImplementationTag< X > *a)
Definition: typetraits.hh:87
char dummy[N+1]
Definition: typetraits.hh:87
Definition: typetraits.hh:88
char dummy[2]
Definition: typetraits.hh:88
Definition: typetraits.hh:89
char dummy[1]
Definition: typetraits.hh:89
Definition: typetraits.hh:105
void type
Definition: typetraits.hh:106
Marker tag declaring a meta function.
Definition: typetraits.hh:129
Helper meta function to delay evaluation of F.
Definition: typetraits.hh:134
F::type type
Definition: typetraits.hh:135
Identity function.
Definition: typetraits.hh:141
F type
Definition: typetraits.hh:142
Meta function that evaluates its argument iff it inherits from meta_function.
Definition: typetraits.hh:148
std::conditional< std::is_base_of< meta_function, F >::value, lazy_evaluate< F >, lazy_identity< F > >::type::type type
Definition: typetraits.hh:153
Check if type represents a tree path.
Definition: typetraits.hh:190