GaudiUtils::GenericHash< T > Struct Template Reference

Generic hash implementation (for easy migration to the new Hash class). More...

#include <Hash.h>

Inheritance diagram for GaudiUtils::GenericHash< T >:

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Collaboration diagram for GaudiUtils::GenericHash< T >:

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List of all members.

Public Member Functions
std::size_t	operator() (const T &key) const
	the generic hash function

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Detailed Description

template<class T>
struct GaudiUtils::GenericHash< T >

Generic hash implementation (for easy migration to the new Hash class).

Definition at line 30 of file Hash.h.

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Member Function Documentation

template<class T>

std::size_t GaudiUtils::GenericHash< T >::operator()

(

const T &

key

)

const [inline]

the generic hash function

Definition at line 34 of file Hash.h.

                                                       {
      std::size_t res = 0 ;
      std::size_t len = sizeof(T) ;
      const char* p = reinterpret_cast<const char*>( &key );
      while( len-- ) { res = ( res << 1 ) ^ *p; ++p; }
      return res;
    }

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r9/GaudiKernel/GaudiKernel/Hash.h