CGAL 6.0 - CGAL and Boost Property Maps
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CGAL::Nth_of_tuple_property_map< N, Tuple > Struct Template Reference

#include <CGAL/property_map.h>

Definition

template<int N, typename Tuple>
struct CGAL::Nth_of_tuple_property_map< N, Tuple >

Property map that accesses the Nth item of a boost::tuple or a std::tuple.

Template Parameters
NIndex of the item to access.
TupleInstance of boost::tuple or std::tuple.
Is model of
LvaluePropertyMap
Examples
Point_set_processing_3/average_spacing_example.cpp.

Public Types

typedef Nth_of_tuple_property_map< N, Tuple > Self
 
typedef Tuple key_type
 typedef to Tuple
 
typedef unspecified_type value_type
 typedef to the N-th type of the tuple
 
typedef const value_typereference
 typedef to const value_type&
 
typedef boost::lvalue_property_map_tag category
 boost::lvalue_property_map_tag
 

Public Member Functions

const value_typeoperator[] (const key_type &tuple) const
 Access a property map element.
 

Related Functions

(Note that these are not member functions.)

template<int N, class Tuple >
Nth_of_tuple_property_map< N, Tuple > make_nth_of_tuple_property_map (Tuple)
 Free function to create a Nth_of_tuple_property_map property map.
 

Put/get free functions

reference get (const Self &, const key_type &k)
 
void put (const Self &, key_type &k, const value_type &v)
 

Member Function Documentation

◆ operator[]()

template<int N, typename Tuple >
const value_type & CGAL::Nth_of_tuple_property_map< N, Tuple >::operator[] ( const key_type tuple) const

Access a property map element.

Parameters
tuplea key whose Nth item is accessed