From: Sean Chittenden <sean@...>
Date: 2002-04-28T08:57:50+09:00
Subject: Re: string to class?

> > I've got a string, and I'd like to get a class reference.
> > It's probably easy; I just haven't found the right methods yet.
> > 
> > Example:
> > 	# given 'Array' string, make a new Array
> > 	str = "Array"
> > 	aclass = something_or_other(str)
> > 	a = aclass.new
> > 
> > I can turn it into a symbol, and back to a string,
> > and have thought about 'send'ing a 'class' message,
> > but there's still a big chasm between me
> > and the desired result!  :-)
>
> You can always do:
> 
> str = "Array"
> aclass = eval(str)
> a = aclass.new

eval has always struck me as evil (are my perl roots showing?).  Try:

str = 'Array'
m = Kernel.method(str)
a = m.call(nil)
a.push('foobar')
p a

-sc

-- 
Sean Chittenden