From: Prachi Tripathi <prachi.tripathi@...>
Date: 2010-08-05T22:47:06+09:00
Subject: String concatenation in ruby

Hi,

This seems to be a basic question but i would like to know why.

String concatenation in rails can be done in the following three ways:

1. a+b+c
2. a<<b<<c
3. "#{a}#{b}#{c}"

where a b c are three variables

Which is the good way to go about concatenation and why?

a+b+c is not good because it creates temp string objects i guess

But i would really like to know of the three which is better and why. Is
there any performance difference in using them

Thanks in advance
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