\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 5.0.2 - CGAL and Boost Property Maps
CGAL::First_of_pair_property_map< Pair > Struct Template Reference

#include <CGAL/property_map.h>


Property map that accesses the first item of a std::pair.

Template Parameters
PairInstance of std::pair.
Is Model Of:
See also

Public Types

typedef Pair key_type
 typedef to Pair
typedef Pair::first_type value_type
 typedef to Pair::first_type
typedef boost::lvalue_property_map_tag category
typedef First_of_pair_property_map< Pair > Self

Public Member Functions

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

Public Attributes

const typedef value_typereference
 typedef to value_type&

Related Functions

(Note that these are not member functions.)

template<class Pair >
First_of_pair_property_map< Pair > make_first_of_pair_property_map (Pair)
 Free function to create a First_of_pair_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<typename Pair >
value_type& CGAL::First_of_pair_property_map< Pair >::operator[] ( key_type pair) const

Access a property map element.

paira key whose first item is accessed