Experimental library header <experimental/reflect>

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Reflection TS
<experimental/reflect>
 

This header is part of the Reflection TS.

Defined in namespace std::experimental::reflect
Defined in inline namespace std::experimental::reflect::v1

Concepts

(reflection TS)
 specifies that a type is a meta-object type
(concept)
(reflection TS)
 specifies that a meta-object type is a meta-object sequence type
(concept)
(reflection TS)
 specifies that a meta-object type reflects a template parameter scope
(concept)
(reflection TS)
 specifies that a meta-object type reflects an entity or alias with an associated (possibly empty) name
(concept)
(reflection TS)
 specifies that a meta-object type reflects a type alias, namespace alias, or an alias introduced by a using-declaration
(concept)
(reflection TS)
 specifies that a meta-object type reflects a member-declaration of a class
(concept)
(reflection TS)
 specifies that a meta-object type reflects an enumerator
(concept)
(reflection TS)
 specifies that a meta-object type reflects a variable or data member
(concept)
(reflection TS)
 specifies that a meta-object type satisfies RecordMember, Enumerator, or Variable, or reflects a namespace other than the global namespace
(concept)
(reflection TS)
 specifies that a meta-object type reflects an entity with a type
(concept)
(reflection TS)
 specifies that a meta-object type reflects a namespace
(concept)
(reflection TS)
 specifies that a meta-object type reflects the global namespace
(concept)
(reflection TS)
 specifies that a meta-object type reflects a non-union class type
(concept)
(reflection TS)
 specifies that a meta-object type reflects an enumeration type
(concept)
(reflection TS)
 specifies that a meta-object type reflects a class type
(concept)
(reflection TS)
 specifies that a meta-object type reflects a namespace, class, enumeration, function, closure type, a template parameter scope
(concept)
(reflection TS)
 specifies that a meta-object type reflects a type
(concept)
(reflection TS)
 specifies that a meta-object type reflects an enumerator or a constexpr variable
(concept)
(reflection TS)
 specifies that a meta-object type reflects a direct base class obtained from get_base_classes
(concept)
(reflection TS)
 specifies that a meta-object type reflects a function parameter
(concept)
(reflection TS)
 specifies that a meta-object type reflects a function (including constructors and destructors)
(concept)
(reflection TS)
 specifies that a meta-object type reflects an expression
(concept)
(reflection TS)
 specifies that a meta-object type reflects a parenthesized expression
(concept)
(reflection TS)
 specifies that a meta-object type reflects a function-call-expression
(concept)
(reflection TS)
 specifies that a meta-object type reflects a functional-type-conv-expression
(concept)
(reflection TS)
 specifies that a meta-object type reflects a function (excluding constructors and destructors)
(concept)
(reflection TS)
 specifies that a meta-object type reflects a member function (excluding constructors and destructors)
(concept)
(reflection TS)
 specifies that a meta-object type reflects a special member function
(concept)
(reflection TS)
 specifies that a meta-object type reflects a constructor
(concept)
(reflection TS)
 specifies that a meta-object type reflects a destructor
(concept)
(reflection TS)
 specifies that a meta-object type reflects an operator function or a conversion function
(concept)
(reflection TS)
 specifies that a meta-object type reflects a conversion function
(concept)
(reflection TS)
 specifies that a meta-object type reflects the closure type of a non-generic lambda
(concept)
(reflection TS)
 specifies that a meta-object type reflects a lambda capture
(concept)

Classes

Object operations
(reflection TS)
 checks if two meta-object types reflect the same entity or alias
(class template)
(reflection TS)
 obtains the presumed line number of the declaration of the reflected entity or alias
(class template)
(reflection TS)
 obtains the implementation-defined column number of the declaration of the reflected entity or alias
(class template)
(reflection TS)
 obtains the presumed file name of the declaration of the reflected entity or alias
(class template)
ObjectSequence operations
(reflection TS)
 obtains the size of a meta-object sequence
(class template)
(reflection TS)
 obtains the meta-object type with specified index in a sequence
(class template)
(reflection TS)
 applies a template to the meta-object sequence
(class template)
Named operations
(reflection TS)
 checks if the reflected entity or alias is named
(class template)
(reflection TS)
 obtains the unqualified name of the reflected entity or alias
(class template)
(reflection TS)
 obtains the implementation-defined display name of the reflected entity or alias
(class template)
Alias operations
(reflection TS)
 obtains the meta-object type reflecting the associated entity of the reflected alias
(class template)
Type operations
(reflection TS)
 obtains the meta-object type reflecting the type of the reflected entity or alias
(class template)
(reflection TS)
 obtains the type of the reflected entity or alias
(class template)
(reflection TS)
 checks if the meta-object type reflects an enumeration type
(class template)
(reflection TS)
 checks if the meta-object type reflects a union type
(class template)
(reflection TS)
 checks if the meta-object type reflects a non-union class type whose declaration uses class or struct respectively
(class template)
ScopeMember operations
(reflection TS)
 obtains the meta-object type reflecting the scope of the reflected entity or alias
(class template)
Base operations
(reflection TS)
 obtains the meta-object type reflecting the base class in the given base class relationship
(class template)
RecordMember and Base operations
(reflection TS)
 checks if the reflected member or base class is public
(class template)
(reflection TS)
 checks if the reflected member or base class is protected
(class template)
(reflection TS)
 checks if the reflected member or base class is private
(class template)
Record operations
(reflection TS)
 obtains a meta-object sequence type whose elements reflect public, accessible, or all data members of the reflected class
(class template)
(reflection TS)
 obtains a meta-object sequence type whose elements reflect public, accessible, or all member functions of the reflected class
(class template)
(reflection TS)
 obtains a meta-object sequence type whose elements reflect all constructors of the reflected class
(class template)
(reflection TS)
 obtains a meta-object sequence type whose elements reflect all operator functions and conversion functions declared in the reflected class
(class template)
(reflection TS)
 obtains the meta-object type reflecting the destructor of the reflected class
(class template)
(reflection TS)
 obtains a meta-object sequence type whose elements reflect public, accessible, or all nested type or member typedefs of the reflected class
(class template)
(reflection TS)
 obtains a meta-object sequence type whose elements reflect public, accessible, or all base classes of the reflected class
(class template)
Enum operations
(reflection TS)
 checks whether the reflected enumeration is scoped
(class template)
(reflection TS)
 obtains a meta-object sequence type whose elements reflects the enumerators of the reflected enumeration
(class template)
(reflection TS)
 obtains the meta-object type reflecting the underlying type of the reflected enumeration
(class template)
Variable operations
(reflection TS)
 obtains the value of the reflected variable which is a constant expression
(class template)
(reflection TS)
 checks if the variable is declared with thread_local
(class template)
FunctionParameter operations
(reflection TS)
 checks whether the reflected parameter has a default argument
(class template)
Callable operations
(reflection TS)
 obtains a meta-object sequence type whose elements reflects the parameters of the reflected function
(class template)
(reflection TS)
 checks whether the parameter list of the reflected function contains an ellipsis parameter
(class template)
(reflection TS)
 checks whether the reflected function is non-throwing
(class template)
(reflection TS)
 checks whether the reflected function is deleted
(class template)
Variable and Callable operations
(reflection TS)
 checks if the reflected variable or function is constexpr
(class template)
Namespace and Callable operations
(reflection TS)
 checks whether the reflected namespace or function is inline
(class template)
ParenthesizedExpression operations
(reflection TS)
 obtains the meta-object type reflecting the unparenthesized expression of the reflected parethesized expression
(class template)
FunctionCallExpression operations
(reflection TS)
 obtains the meta-object type reflecting the function in the reflected function-call-expression
(class template)
FunctionalTypeConversion operations
(reflection TS)
 obtains the meta-object type reflecting the constructor in reflected functional-type-conv-expression
(class template)
Variable and Function operations
(reflection TS)
 get the address of the reflected variable or function, or the pointer-to-member value to the reflected non-static member
(class template)
MemberFunction operations
(reflection TS)
 checks if the reflected member function is declared with const, volatile, &, or && qualifier respectively
(class template)
(reflection TS)
 checks if the reflected member function overrides a member function of base class
(class template)
Record and MemberFunction operations
(reflection TS)
 checks if the reflected class or member function is marked with final
(class template)
Variable and MemberFunction operations
(reflection TS)
 checks if the reflected variable is of static storage duration, or the reflected member function is static
(class template)
SpecialMemberFunction operations
(reflection TS)
 checks if the reflected special member function is implicitly declared
(class template)
(reflection TS)
 checks if the reflected special member function is defaulted in its first declaration
(class template)
Constructor and ConversionOperator operations
(reflection TS)
 checks if the reflected constructor or conversion function is declared with explicit
(class template)
MemberFunction and Destructor operations
(reflection TS)
 checks if the reflected member function is virtual
(class template)
(reflection TS)
 checks if the reflected member function is pure virtual
(class template)
Lambda operations
(reflection TS)
 obtains a meta-object sequence type whose elements reflect the captures of the reflected closure type
(class template)
(reflection TS)
 checks if the capture-default of the lambda expression of the reflected closure type is = or & respectively
(class template)
(reflection TS)
 checks if the operator() of the reflected closure type is declared with const
(class template)
LambdaCapture operations
(reflection TS)
 checks if the reflected lambda capture is explicitly captured
(class template)
(reflection TS)
 checks if the reflected lambda capture is an init-capture
(class template)

Synopsis

namespace std::experimental::reflect {
inline namespace v1 {
 
// 21.12.3 Concepts for meta-object types
template <class T>
concept Object = /* see description */;
template <class T>
concept ObjectSequence = /* see description */; // refines Object
template <class T>
concept TemplateParameterScope = /* see description */; // refines Scope
template <class T>
concept Named = /* see description */;          // refines Object
template <class T>
concept Alias = /* see description */;          // refines Named and ScopeMember
template <class T>
concept RecordMember = /* see description */;   // refines ScopeMember
template <class T>
concept Enumerator = /* see description */;     // refines Constant
template <class T>
concept Variable = /* see description */;       // refines Typed and ScopeMember
template <class T>
concept ScopeMember = /* see description */;    // refines Named
template <class T>
concept Typed = /* see description */;          // refines Object
template <class T>
concept Namespace = /* see description */;      // refines Named and Scope
template <class T>
concept GlobalScope = /* see description */;    // refines Namespace
template <class T>
concept Class = /* see description */;          // refines Record
template <class T>
concept Enum = /* see description */;           // refines Type, Scope, and ScopeMember
template <class T>
concept Record = /* see description */;         // refines Type, Scope, and ScopeMember
template <class T>
concept Scope = /* see description */;          // refines Object
template <class T>
concept Type = /* see description */;           // refines Named
template <class T>
concept Constant = /* see description */;       // refines Typed and ScopeMember
template <class T>
concept Base = /* see description */;           // refines Object
template <class T>
concept FunctionParameter = /* see description */; // refines Typed and ScopeMember
template <class T>
concept Callable = /* see description */;       // refines Scope and ScopeMember
template <class T>
concept Expression = /* see description */;     // refines Object
template <class T>
concept ParenthesizedExpression = /* see description */; // refines Expression
template <class T>
concept FunctionCallExpression = /* see description */; // refines Expression
template <class T>
concept FunctionalTypeConversion = /* see description */; // refines Expression
template <class T>
concept Function = /* see description */;       // refines Typed and Callable
template <class T>
concept MemberFunction = /* see description */; // refines RecordMember and Function
template <class T>
concept SpecialMemberFunction = /* see description */; // refines RecordMember
template <class T>
concept Constructor = /* see description */;    // refines Callable and RecordMember
template <class T>
concept Destructor = /* see description */;     // refines Callable and SpecialMemberFunction
template <class T>
concept Operator = /* see description */;       // refines Function
template <class T>
concept ConversionOperator = /* see description */; // refines MemberFunction and Operator
template <class T>
concept Lambda = /* see description */;         // refines Type and Scope
template <class T>
concept LambdaCapture = /* see description */;  // refines Variable
 
// 21.12.4 Meta-object operations
// Multi-concept operations
template <Object T> struct is_public;
template <Object T> struct is_protected;
template <Object T> struct is_private;
template <Object T> struct is_constexpr;
template <Object T> struct is_static;
template <Object T> struct is_final;
template <Object T> struct is_explicit;
template <Object T> struct is_inline;
template <Object T> struct is_virtual;
template <Object T> struct is_pure_virtual;
template <Object T> struct get_pointer;
 
template <class T>
requires RecordMember<T> || Base<T>
  constexpr auto is_public_v = is_public<T>::value;
template <class T>
requires RecordMember<T> || Base<T>
  constexpr auto is_protected_v = is_protected<T>::value;
template <class T>
requires RecordMember<T> || Base<T>
  constexpr auto is_private_v = is_private<T>::value;
template <class T>
requires Variable<T> || Callable<T>
  constexpr auto is_constexpr_v = is_constexpr<T>::value;
template <class T>
requires Variable<T> || MemberFunction<T>
  constexpr auto is_static_v = is_static<T>::value;
template <class T>
requires Class<T> || MemberFunction<T>
  constexpr auto is_final_v = is_final<T>::value;
template <class T>
requires Constructor<T> || ConversionOperator<T>
  constexpr auto is_explicit_v = is_explicit<T>::value;
template <class T>
requires Namespace<T> || Callable<T>
  constexpr auto is_inline_v = is_inline<T>::value;
template <class T>
requires Base<T> || MemberFunction<T> || Destructor<T>
  constexpr auto is_virtual_v = is_virtual<T>::value;
template <class T>
requires MemberFunction<T> || Destructor<T>
  constexpr auto is_pure_virtual_v = is_pure_virtual<T>::value;
template <class T>
requires Variable<T> || Function<T>
  constexpr auto get_pointer_v = get_pointer<T>::value;
 
// 21.12.4.1 Object operations
template <Object T1, Object T2> struct reflects_same;
template <Object T> struct get_source_line;
template <Object T> struct get_source_column;
template <Object T> struct get_source_file_name;
 
template <Object T1, Object T2>
  constexpr auto reflects_same_v = reflects_same<T1, T2>::value;
template <class T>
  constexpr auto get_source_line_v = get_source_line<T>::value;
template <class T>
  constexpr auto get_source_column_v = get_source_column<T>::value;
template <class T>
  constexpr auto get_source_file_name_v = get_source_file_name<T>::value;
 
// 21.12.4.2 ObjectSequence operations
template <ObjectSequence T> struct get_size;
template <size_t I, ObjectSequence T> struct get_element;
template <template <class...> class Tpl, ObjectSequence T>
  struct unpack_sequence;
 
template <ObjectSequence T>
  constexpr auto get_size_v = get_size<T>::value;
template <size_t I, ObjectSequence T>
  using get_element_t = typename get_element<I, T>::type;
template <template <class...> class Tpl, ObjectSequence T>
  using unpack_sequence_t = typename unpack_sequence<Tpl, T>::type;
 
// 21.12.4.3 Named operations
template <Named T> struct is_unnamed;
template <Named T> struct get_name;
template <Named T> struct get_display_name;
 
template <Named T>
  constexpr auto is_unnamed_v = is_unnamed<T>::value;
template <Named T>
  constexpr auto get_name_v = get_name<T>::value;
template <Named T>
  constexpr auto get_display_name_v = get_display_name<T>::value;
 
// 21.12.4.4 Alias operations
template <Alias T> struct get_aliased;
 
template <Alias T>
  using get_aliased_t = typename get_aliased<T>::type;
 
// 21.12.4.5 Type operations
template <Typed T> struct get_type;
template <Type T> struct get_reflected_type;
template <Type T> struct is_enum;
template <Class T> struct uses_class_key;
template <Class T> struct uses_struct_key;
template <Type T> struct is_union;
 
template <Typed T>
  using get_type_t = typename get_type<T>::type;
template <Type T>
  using get_reflected_type_t = typename get_reflected_type<T>::type;
template <Type T>
  constexpr auto is_enum_v = is_enum<T>::value;
template <Class T>
  constexpr auto uses_class_key_v = uses_class_key<T>::value;
template <Class T>
  constexpr auto uses_struct_key_v = uses_struct_key<T>::value;
template <Type T>
  constexpr auto is_union_v = is_union<T>::value;
 
// 21.12.4.6 Member operations
template <ScopeMember T> struct get_scope;
template <RecordMember T> struct is_public<T>;
template <RecordMember T> struct is_protected<T>;
template <RecordMember T> struct is_private<T>;
template <ScopeMember T>
  using get_scope_t = typename get_scope<T>::type;
 
// 21.12.4.7 Record operations
template <Record T> struct get_public_data_members;
template <Record T> struct get_accessible_data_members;
template <Record T> struct get_data_members;
template <Record T> struct get_public_member_functions;
template <Record T> struct get_accessible_member_functions;
template <Record T> struct get_member_functions;
template <Record T> struct get_public_member_types;
template <Record T> struct get_accessible_member_types;
template <Record T> struct get_member_types;
template <Record T> struct get_constructors;
template <Record T> struct get_destructor;
template <Record T> struct get_operators;
template <Class T> struct get_public_base_classes;
template <Class T> struct get_accessible_base_classes;
template <Class T> struct get_base_classes;
template <Class T> struct is_final<T>;
 
template <Record T>
  using get_public_data_members_t = typename get_public_data_members<T>::type;
template <Record T>
  using get_accessible_data_members_t = typename get_accessible_data_members<T>::type;
template <Record T>
  using get_data_members_t = typename get_data_members<T>::type;
template <Record T>
  using get_public_member_functions_t = typename get_public_member_functions<T>::type;
template <Record T>
  using get_accessible_member_functions_t = typename get_accessible_member_functions<T>::type;
template <Record T>
  using get_member_functions_t = typename get_member_functions<T>::type;
template <Record T>
  using get_public_member_types_t = typename get_public_member_types<T>::type;
template <Record T>
  using get_accessible_member_types_t = typename get_accessible_member_types<T>::type;
template <Record T>
  using get_member_types_t = typename get_member_types<T>::type;
template <Record T>
  using get_constructors_t = typename get_constructors<T>::type;
template <Record T>
  using get_destructor_t = typename get_destructor<T>::type;
template <Record T>
  using get_operators_t = typename get_operators<T>::type;
template <Class T>
  using get_public_base_classes_t = typename get_public_base_classes<T>::type;
template <Class T>
  using get_accessible_base_classes_t = typename get_accessible_base_classes<T>::type;
template <Class T>
  using get_base_classes_t = typename get_base_classes<T>::type;
 
// 21.12.4.8 Enum operations
template <Enum T> struct is_scoped_enum;
template <Enum T> struct get_enumerators;
template <Enum T> struct get_underlying_type;
 
template <Enum T>
  constexpr auto is_scoped_enum_v = is_scoped_enum<T>::value;
template <Enum T>
  using get_enumerators_t = typename get_enumerators<T>::type;
template <Enum T>
  using get_underlying_type_t = typename get_underlying_type<T>::type;
 
// 21.12.4.9 Value operations
template <Constant T> struct get_constant;
template <Variable T> struct is_constexpr<T>;
template <Variable T> struct is_static<T>;
template <Variable T> struct is_thread_local;
template <Variable T> struct get_pointer<T>;
 
template <Constant T>
  constexpr auto get_constant_v = get_constant<T>::value;
template <Variable T>
  constexpr auto is_thread_local_v = is_thread_local<T>::value;
 
// 21.12.4.10 Base operations
template <Base T> struct get_class;
template <Base T> struct is_virtual<T>;
template <Base T> struct is_public<T>;
template <Base T> struct is_protected<T>;
template <Base T> struct is_private<T>;
 
template <Base T>
  using get_class_t = typename get_class<T>::type;
 
// 21.12.4.11 Namespace operations
template <Namespace T> struct is_inline<T>;
 
// 21.12.4.12 FunctionParameter operations
template <FunctionParameter T> struct has_default_argument;
 
template <FunctionParameter T>
  constexpr auto has_default_argument_v = has_default_argument<T>::value;
 
// 21.12.4.13 Callable operations
template <Callable T> struct get_parameters;
template <Callable T> struct is_vararg;
template <Callable T> struct is_constexpr<T>;
template <Callable T> struct is_noexcept;
template <Callable T> struct is_inline<T>;
template <Callable T> struct is_deleted;
 
template <Callable T>
  using get_parameters_t = typename get_parameters<T>::type;
template <Callable T>
  constexpr auto is_vararg_v = is_vararg<T>::value;
template <Callable T>
  constexpr auto is_deleted_v = is_deleted<T>::value;
 
// 21.12.4.14 ParenthesizedExpression operations
template <ParenthesizedExpression T> struct get_subexpression;
 
template <ParenthesizedExpression T>
  using get_subexpression_t = typename get_subexpression<T>::type;
 
// 21.12.4.15 FunctionCallExpression operations
template <FunctionCallExpression T> struct get_callable;
 
template <FunctionCallExpression T>
  using get_callable_t = typename get_callable<T>::type;
 
// 21.12.4.16 FunctionalTypeConversion operations
template <FunctionalTypeConversion T> struct get_constructor;
 
template <FunctionalTypeConversion T>
  using get_constructor_t = typename get_constructor<T>::type;
 
// 21.12.4.17 Function operations
template <Function T> struct get_pointer<T>;
 
// 21.12.4.18 MemberFunction operations
template <MemberFunction T> struct is_static<T>;
template <MemberFunction T> struct is_const;
template <MemberFunction T> struct is_volatile;
template <MemberFunction T> struct has_lvalueref_qualifier;
template <MemberFunction T> struct has_rvalueref_qualifier;
template <MemberFunction T> struct is_virtual<T>;
template <MemberFunction T> struct is_pure_virtual<T>;
template <MemberFunction T> struct is_override;
template <MemberFunction T> struct is_final<T>;
 
template <MemberFunction T>
  constexpr auto is_const_v = is_const<T>::value;
template <MemberFunction T>
  constexpr auto is_volatile_v = is_volatile<T>::value;
template <MemberFunction T>
  constexpr auto has_lvalueref_qualifier_v = has_lvalueref_qualifier<T>::value;
template <MemberFunction T>
  constexpr auto has_rvalueref_qualifier_v = has_rvalueref_qualifier<T>::value;
template <MemberFunction T>
  constexpr auto is_override_v = is_override<T>::value;
 
// 21.12.4.19 SpecialMemberFunction operations
template <SpecialMemberFunction T> struct is_implicitly_declared;
template <SpecialMemberFunction T> struct is_defaulted;
 
template <SpecialMemberFunction T>
  constexpr auto is_implicitly_declared_v = is_implicitly_declared<T>::value;
template <SpecialMemberFunction T>
  constexpr auto is_defaulted_v = is_defaulted<T>::value;
 
// 21.12.4.20 Constructor operations
template <Constructor T> struct is_explicit<T>;
 
// 21.12.4.21 Destructor operations
template <Destructor T> struct is_virtual<T>;
template <Destructor T> struct is_pure_virtual<T>;
 
// 21.12.4.22 ConversionOperator operations
template <ConversionOperator T> struct is_explicit<T>;
 
// 21.12.4.23 Lambda operations
template <Lambda T> struct get_captures;
template <Lambda T> struct uses_default_copy_capture;
template <Lambda T> struct uses_default_reference_capture;
template <Lambda T> struct is_call_operator_const;
 
template <Lambda T>
  using get_captures_t = typename get_captures<T>::type;
template <Lambda T>
  constexpr auto uses_default_copy_capture_v = uses_default_copy_capture<T>::value;
template <Lambda T>
  constexpr auto uses_default_reference_capture_v = uses_default_reference_capture<T>::value;
template <Lambda T>
  constexpr auto is_call_operator_const_v = is_call_operator_const<T>::value;
 
// 21.12.4.24 LambdaCapture operations
template <LambdaCapture T> struct is_explicitly_captured;
template <LambdaCapture T> struct is_init_capture;
 
template <LambdaCapture T>
  constexpr auto is_explicitly_captured_v = is_explicitly_captured<T>::value;
template <LambdaCapture T>
  constexpr auto is_init_capture_v = is_init_capture<T>::value;
 
} // inline namespace v1
} // namespace std::experimental::reflect
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