From: Paul Sutton <paul@...>
Date: 2012-06-15T01:05:51+09:00
Subject: Re: Calling methods, getting string and adding them

On Thu, 2012-06-14 at 13:32 +0900, Ryan Davis wrote:
> On Jun 13, 2012, at 21:28 , Ryan Davis wrote:
> > On Jun 13, 2012, at 21:24 , Paul Sutton wrote:
> >> Easiest is subjective - but yes, I think string interpolation is in
> >> general a better solution when outputting a string.
> > 
> > It is measurable by the number of methods called and the number of garbage objects created.
 ...
> 2111 % ruby -rtracer -e '"a#{1}b#{2}c"'
> #0:-e:1::-: "a#{1}b#{2}c"
> #0:-e:1:Fixnum:>: "a#{1}b#{2}c"
> #0:-e:1:Fixnum:<: "a#{1}b#{2}c"
> #0:-e:1:Fixnum:>: "a#{1}b#{2}c"
> #0:-e:1:Fixnum:<: "a#{1}b#{2}c"

Thank you for the tracer analysis. I did some time benchmarks and it
seems to be about 30% faster. I agree completely that interpolation is
better. 

-Paul