GaudiUtils::GenericHash< T > Struct Template Reference

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

#include </builds/gaudi/Gaudi/GaudiKernel/include/GaudiKernel/Hash.h>

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

Detailed Description

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

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

Definition at line 38 of file Hash.h.

Member Function Documentation

operator()()

template<class T >

std::size_t GaudiUtils::GenericHash< T >::operator() ( const T &  key ) const

inline

the generic hash function

Definition at line 41 of file Hash.h.

                                                      {
      const char* p = reinterpret_cast<const char*>( &key );
      return std::accumulate( p, p + sizeof( T ), std::size_t{ 0 },
                              []( std::size_t res, const char& c ) { return ( res << 1 ) ^ c; } );
    }

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

• GaudiKernel/include/GaudiKernel/Hash.h