Re: What Lua can do that other programming languages can't do?

[Roberto Ierusalimschy <roberto@...>]

> On 7 March 2013 21:31, Steve Litt <slitt@troubleshooters.com> wrote:
> 
> > Do you mean features the Ruby *language* gives you out of the box, or
> > features that Ruby *libraries* give you out of the box?
> 
> 
> In a lot of the cases it is the language. The richer functionality for
> strings can be overcome by reimplementing the missing features (split a
> string on a regexp, handle unicode codepoints) but then the question arises
> "Why are you using Lua when you are just reimplementing Ruby". I tend use
> Lua when Lua the language provides the features that I require. I know that
> with some effort everything that can be done in Ruby can be done in Lua but
> why bother?
> 
> Time spent making language X work like language Y is not productive, just
> use language Y and be done with it.

The same argument is valid for mruby, is it not? Why are you using a
stripped down version of Ruby when you are just trying to reimplement
Lua?  :)

-- Roberto