| # Gaudi Framework, version v22r2 |

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Classes | Namespaces | Functions

# Tuple.h File Reference

Header file for class : Tuple. More...

`#include <string>`
`#include "GaudiAlg/TupleObj.h"`
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## Classes
class | Tuples::Tuple
| A simple wrapper class over standard Gaudi NTuple::Tuple facility. More...
class | Tuples::TupleColumn< ITEM >
| Helper class which allows to extend the functionality of Tuple with possibility to use your own representation of complex objects. More...
## Namespaces
namespace | Tuples

| General namespace for Tuple properties.
## Functions
template<class ITEM >
TupleColumn< ITEM > | Tuples::make_column (const std::string &name, const ITEM &item)
| helper function to create 'on-the-fly' the helper object Tuples::TupleColumn
template<class ITEM >
TupleColumn< const ITEM * > | Tuples::make_column (const std::string &name, const ITEM *item)
| helper function to create 'on-the-fly' the helper object Tuples::TupleColumn
template<class ITEM >
TupleColumn< ITEM * > | Tuples::make_column (const std::string &name, ITEM *item)
| helper function to create 'on-the-fly' the helper object Tuples::TupleColumn
template<class ITEM >
TupleColumn< ITEM > | Tuples::Column (const std::string &name, const ITEM &item)
template<class ITEM >
TupleColumn< const ITEM * > | Tuples::Column (const std::string &name, const ITEM *item)
template<class ITEM >
TupleColumn< ITEM * > | Tuples::Column (const std::string &name, ITEM *item)
template<class ITEM >
Tuples::Tuple & | operator<< (Tuples::Tuple &tuple, const Tuples::TupleColumn< ITEM > &item)
| helper operator to feed Tuple with the data, see Tuples::TupleColumn

## Detailed Description

Header file for class : Tuple.

Date:
  2002-10-30

Author:
  Vanya Belyaev Ivan.Belyaev@itep.ru

Definition in file Tuple.h.

## Function Documentation

template<class ITEM >

Tuples::Tuple& operator<< | ( | Tuples::Tuple & | tuple,
|  | const Tuples::TupleColumn< ITEM > & | item
| ) |  | `[inline]`

helper operator to feed Tuple with the data, see Tuples::TupleColumn

Definition at line 342 of file Tuple.h.

    {
      if ( !tuple.valid() ) { return tuple  ; } // no action for invalid tuple
      tuple->column( item.name() , item.value () ) ;
      return tuple ;
    }

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