openvrml::FieldValueConcept< T > Struct Template Reference

Concept checking class to validate that a template parameter is a model of the Field Value concept. More...

#include <openvrml/field_value.h>

List of all members.


Public Member Functions

void constraints ()
 Validate that T is a model of the Field Value concept.

Public Attributes

field_valuebase_ptr
T * fv
field_value::type_id id

Detailed Description

template<typename T>
struct openvrml::FieldValueConcept< T >

Concept checking class to validate that a template parameter is a model of the Field Value concept.

A Field Value is a concrete type that inherits field_value and holds a value for a field of a node.

Refinement of
Default Constructible, Copy Constructible, Assignable, Equality Comparable
Associated types
Value type T::value_type The type of T's value member. The value type must be Assignable and DefaultConstructible.
Notation
T A type that is a model of Field Value
v A reference of type field_value &
Definitions
Valid expressions
In addition to the expressions defined in Assignable and EqualityComparable, the following expressions must be valid.
Name Expression Type requirements Return type
Downcast static_cast<T &>(v) T &
Models
Template Parameters:
T the type to validate against this concept.

Member Function Documentation

template<typename T >
void openvrml::FieldValueConcept< T >::constraints (  )  [inline]

Validate that T is a model of the Field Value concept.


Member Data Documentation

For internal use only.

template<typename T >
T * openvrml::FieldValueConcept< T >::fv

For internal use only.

For internal use only.