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Re: Re: Some suggestions on coding style - a chance to critique

by emilford (Friar)
on Jun 26, 2002 at 15:03 UTC ( [id://177395]=note: print w/replies, xml ) Need Help??


in reply to Re: Some suggestions on coding style - a chance to critique
in thread Some suggestions on coding style - a chance to critique

You're right! I looked at this post and they mentioned using single quotes when no interpolation of variables is needed. They also mentioned that this is a matter of personal preference. This probably would be good practice, but in my use, I'm not sure if it makes that big a difference. I wonder how much of a time difference single quotes vs. double quotes makes? Either way, thanks for the suggestion.
  • Comment on Re: Re: Some suggestions on coding style - a chance to critique

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Re: Re: Re: Some suggestions on coding style - a chance to critique
by thelenm (Vicar) on Jun 27, 2002 at 16:46 UTC
    Running this code: 
    use Benchmark qw(cmpthese);
cmpthese(10000000, {
  single => sub {$foo = 'http://www.yoursite.com'},
  double => sub {$foo = "http://www.yoursite.com"},
});

    [download]
    produces these results on my machine: 
                Rate double single
double 2865330/s     --    -2%
single 2915452/s     2%     --

    [download]
    So it looks like single quotes may be slightly faster, but that may be within the margin of error. I generally use single quotes unless I need interpolation of variables, but it's probably just a matter of preference.

    -- Mike

    --
    just,my${.02}

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