From: Roger Pack <rogerpack2005@...>
Date: 2008-12-20T14:44:37+09:00
Subject: [ruby-core:20713] Re: [Feature #905] Add String.new(fixnum) to preallocate large buffer

> Hard to do, since it has to be a hash on the callee side. Constructing the
> hash could perhaps be delayed, in case the callee was a C function, but it
> still has to be something. In comparison, new(1000) is almost free.

I suppose a clever implementation could optimize that out.
-=R