ROOT::TSeq< T > Class Template Reference

template<class T>
class ROOT::TSeq< T >

A pseudo container class which is a generator of indices.

Template Parameters

T	Type of the numerical sequence.

A pseudo container class which is a generator of indices. The model is the xrange built-in function of Python. Possible usages: Loop on a sequence of integers

for (auto i : TSeqI(10)) {
   cout << "Element " << i << endl;
}

Loop on a sequence of integers in steps

for (auto i : TSeqI(-5, 29, 6)) {
   cout << "Element " << i << endl;
}

Loop backwards on a sequence of integers

for (auto i : TSeqI(50, 30, -3)) {
   cout << "Element " << i << endl;
}

Use an stl algorithm, for_each

TSeqUL ulSeq(2,30,3);
std::for_each(std::begin(ulSeq),std::end(ulSeq),[](ULong_t i){cout << "For each: " << i <<endl;});

Random access:

cout << "Random access: 3rd element is " << ulSeq[2] << endl;

A function to create sequences inferring the type:

{{cpp}
   for (auto i : MakeSeq(1000000000000UL, 1000000000003UL)) {
      cout << "Element " << i << endl;
   }

Definition at line 55 of file TSeq.h.

Classes
class	iterator

Public Types
using	value_type = T
using	difference_type = typename std::make_signed< T >::type

Public Member Functions
	TSeq (T end)
	TSeq (T begin, T end, T step=1)
iterator	begin () const
iterator	end () const
T const &	front () const
T	operator[] (T s) const
std::size_t	size () const
T	step () const
bool	empty () const

Private Member Functions
void	checkIntegralType ()

Private Attributes
const T	fBegin
const T	fEnd
const T	fStep

#include <ROOT/TSeq.h>

Member Typedef Documentation

template<class T>

using ROOT::TSeq< T >::difference_type = typename std::make_signed<T>::type

Definition at line 65 of file TSeq.h.

template<class T>

using ROOT::TSeq< T >::value_type = T

Definition at line 64 of file TSeq.h.

Constructor & Destructor Documentation

template<class T>

ROOT::TSeq< T >::TSeq ( T  end )

inline

Definition at line 67 of file TSeq.h.

template<class T>

ROOT::TSeq< T >::TSeq ( T  begin, T  end, T  step = 1  )

inline

Definition at line 70 of file TSeq.h.

Member Function Documentation

template<class T>

iterator ROOT::TSeq< T >::begin ( ) const

inline

Definition at line 116 of file TSeq.h.

Referenced by cling::printValue(), and ROOT::TSeq< T >::size().

template<class T>

void ROOT::TSeq< T >::checkIntegralType ( )

inlineprivate

Definition at line 57 of file TSeq.h.

Referenced by ROOT::TSeq< T >::TSeq().

template<class T>

bool ROOT::TSeq< T >::empty ( ) const

inline

Definition at line 141 of file TSeq.h.

template<class T>

iterator ROOT::TSeq< T >::end ( ) const

inline

Definition at line 119 of file TSeq.h.

Referenced by cling::printValue(), and ROOT::TSeq< T >::size().

template<class T>

T const& ROOT::TSeq< T >::front ( ) const

inline

Definition at line 125 of file TSeq.h.

template<class T>

T ROOT::TSeq< T >::operator[] ( T  s ) const

inline

Definition at line 129 of file TSeq.h.

template<class T>

std::size_t ROOT::TSeq< T >::size ( ) const

inline

Definition at line 133 of file TSeq.h.

template<class T>

T ROOT::TSeq< T >::step ( ) const

inline

Definition at line 137 of file TSeq.h.

Referenced by cling::printValue().

Member Data Documentation

template<class T>

const T ROOT::TSeq< T >::fBegin

private

Definition at line 60 of file TSeq.h.

Referenced by ROOT::TSeq< T >::begin(), ROOT::TSeq< T >::empty(), ROOT::TSeq< T >::end(), ROOT::TSeq< T >::front(), and ROOT::TSeq< T >::operator[]().

template<class T>

const T ROOT::TSeq< T >::fEnd

private

Definition at line 61 of file TSeq.h.

Referenced by ROOT::TSeq< T >::empty(), and ROOT::TSeq< T >::end().

template<class T>

const T ROOT::TSeq< T >::fStep

private

Definition at line 62 of file TSeq.h.

Referenced by ROOT::TSeq< T >::begin(), ROOT::TSeq< T >::end(), ROOT::TSeq< T >::operator[](), and ROOT::TSeq< T >::step().

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

• core/cont/inc/ROOT/TSeq.h