Re: map/grep in Lua: Shedding My Functional Perlisms

[Veli-Pekka Tätilä <vtatila@...>]

Fabien wrote:
> > If using alpha compilers gives you the heebie jeebies, you can also do
> > something like this:
> >
> > function L(args)
> >  return function(exp)
> >    return assert(loadstring("return function("..args..")"
> >      .." return "..exp.." end"))()
> >  end
> > end
> You probably want to perform some compilation caching, indexing compiled
> functions with their source, so that you keep acceptable performances when
> lambdas occur in loops (i.e. virtually always).
A good point. That's a form of memoization. Is there a memoize module for 
Lua like the one in Perl? One can easily do it on demand for a particular 
function by hand, of course.

--
With kind regards Veli-Pekka Tätilä
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