Identifier.cxx File Reference

#include "Identifier/Identifier.h"
#include "GaudiKernel/MsgStream.h"
#include <charconv>
#include <iostream>

Include dependency graph for Identifier.cxx:

Go to the source code of this file.

Functions
template<typename Stream>
void	streamIdentifier (Stream &os, unsigned long long id)
MsgStream &	operator<< (MsgStream &f, const Identifier &id)
std::ostream &	operator<< (std::ostream &os, const Identifier &id)

Function Documentation

operator<<() [1/2]

MsgStream & operator<<	(	MsgStream &	f,
		const Identifier &	id )

Definition at line 55 of file Identifier.cxx.

                                                          {
    streamIdentifier(f, id.get_compact());
    return f;
}

operator<<() [2/2]

std::ostream & operator<<	(	std::ostream &	os,
		const Identifier &	id )

Definition at line 60 of file Identifier.cxx.

                                                             {
    streamIdentifier(os, id.get_compact());
    return os;
}

streamIdentifier()

template<typename Stream>

void streamIdentifier	(	Stream &	os,
		unsigned long long	id )

Definition at line 13 of file Identifier.cxx.

                                                         {
      //This is faster than std::format and uses no allocations.
      //Please don't switch to std::format without performance checks
      char buf[32];
      buf[0] = '0';
      buf[1] = 'x';
      auto [ptr, ec] = std::to_chars(buf + 2, buf + sizeof(buf), id, 16);
      
      os << std::string_view(buf, ptr);
}