From: pharrington <xenogenesis@...>
Date: 2009-12-06T16:56:01+09:00
Subject: Re: Why doesn't Ruby "compile" strings?

On Dec 5, 9:29 pm, Marnen Laibow-Koser <mar...@marnen.org> wrote:
> Iñaki Baz Castillo wrote:
> > El Domingo, 6 de Diciembre de 2009, Marnen Laibow-Koser escribió:
> >> > Is it imposible due to the design of Ruby?
>
> >> It's not impossible at all: just use symbols instead of strings.
>
> > What do you mean with symbols? do you mean using the following?:
>
> >   puts Benchmark.realtime { 1.upto(500000) {|i|
> > :"hello_world".to_s.upcase } }
>
> > I expect the same results as when converting the symbol to string (to_s)
> > Ruby
> > would generate a new string for each iteration, am I wrong?
>
> Only one per iteration -- 'HELLO WORLD'.  Your original implementation
> would generate two new String objects for each iteration.
>
>
>
> > Thanks.
>
> Best,
> -- 
> Marnen Laibow-Koserhttp://www.marnen.org
> mar...@marnen.org
> --
> Posted viahttp://www.ruby-forum.com/.


No, two Strings get created here: one with .to_s and the other
with .upcase