DGtal::functors::Pair1st< ReturnType > Class Template Reference

Aim: Define a simple functor that returns the first member of a pair. More...

#include <DGtal/base/BasicFunctors.h>

Inheritance diagram for DGtal::functors::Pair1st< ReturnType >:

Public Member Functions
template<typename TPair >
ReturnType	operator() (const TPair &aPair) const

Detailed Description

template<typename ReturnType>
class DGtal::functors::Pair1st< ReturnType >

Aim: Define a simple functor that returns the first member of a pair.

Description of template class 'Pair1st'

Template Parameters

ReturnType

type of the first member of the pair

Definition at line 756 of file BasicFunctors.h.

Member Function Documentation

operator()()

template<typename ReturnType >

template<typename TPair >

ReturnType DGtal::functors::Pair1st< ReturnType >::operator() ( const TPair & aPair ) const

inline

Operator

Template Parameters

TPair

model of CPair

Parameters

aPair

input pair

Returns

first member of aPair.

Definition at line 770 of file BasicFunctors.h.

    {
      return aPair.first;
    }

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The documentation for this class was generated from the following file:

• BasicFunctors.h