#include <CGAL/property_map.h>

Definition

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

Template Parameters

N	Index of the item to access.
Tuple	Instance of `boost::tuple`.

Examples:: Point_set_processing_3/average_spacing_example.cpp, and Point_set_processing_3/property_map.cpp.

Public Types
typedef Tuple	key_type
	typedef to `Tuple`

typedef boost::tuples::element < N, Tuple >::type	value_type
	typedef to `boost::tuples::element<N,Tuple>::type`

typedef value_type &	reference
	typedef to `value_type&`

typedef boost::lvalue_property_map_tag	category
	`boost::lvalue_property_map_tag`

typedef Nth_of_tuple_property_map< N, Tuple >	Self

Public Member Functions
reference	operator[] (key_type &tuple) const
	Access a property map element. More...

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
const value_type &	get (const Self &, const key_type &k)

reference	get (const Self &, key_type &k)

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

Member Function Documentation

template<int N, typename Tuple >

reference CGAL::Nth_of_tuple_property_map< N, Tuple >::operator[] ( key_type & tuple) const

Access a property map element.

Parameters

tuple a key whose Nth item is accessed