Re: [Mingw-users] std::string

[Andrew S. <ver...@ya...>]

Hi Arbol,

I suppose you could benchmark each method in a loop a few million times. You need to randomly select characters 
somehow otherwise the caching will kick in and reduce the execution time to almost zero if its the same string put
through a "meatgrinder" so to speak. 

Copy constructors are slower to process compared to passing something by reference. I'm not sure if there is a way
to pass std::string by reference though. I think this would be one way however

void pass_string(std::string &STRING)
{
  STRING = OTHER_STRING;//the OTHER_STRING is initialized to begin with
}

I'm not entirely sure if that would be truly by reference though. I don't think that would use a copy constructor.

Best,

Andrew Somorjai




________________________________
 From: Arbol One <Arb...@ho...>
To: MinGW <min...@li...> 
Sent: Wednesday, July 10, 2013 12:05 PM
Subject: [Mingw-users] std::string
 


The std::string has different ways to pass 
values from one string to another string, for instance, swap, assign, the equal 
operator and of course the copy constructor. Is there a benefit that one has 
over the other?
TIA
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