[HH] c++ strings?

[Greg London]

Should I put the "&" in front of msg? i.e.

void _say(const string &msg){


> Almost perfect. I would make a few minor changes.
>
> void _say(const string msg&){
> 	cout<<msg;
> }
>
>
> void Note(const string msg&){
> 	_say("Note: "+msg);
> }
>
> Minor efficiencies. In your code in when note() is called the string is
> copied so msg is a copy of the input. In _say("Note: "+msg);
>  you are creating a new string, but that string is also copied. Setting up
> a call by reference saves 2 copies in this case. The compiler can
> optimize the _say function to where the call by reference does not
> matter, but not the note() function which is external.
>
>
> --
> Jerry Feldman <gaf at blu.org>
> Boston Linux and Unix
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>
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