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\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 4.12.1 - STL Extensions for CGAL
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CGAL::Identity< Value > Struct Template Reference
STL Extensions for CGAL Reference » Projection Function Objects

#include <CGAL/function_objects.h>

Definition

The class Identity represents the identity function on Value.

Is Model Of:
ProjectionObject

Public Types

typedef Value argument_type
 
typedef Value result_type
 

Creation

 Identity ()
 default constructor.
 

Operations

result_type & operator() (argument_type &x) const
 returns x.
 
const result_type & operator() (const argument_type &x) const
 returns x.