nobu.nokada / softhome.net wrote in message news:<200207270523.g6R5Nkj27888 / sharui.nakada.kanuma.tochigi.jp>...
> Hi,
> 
> At Sat, 27 Jul 2002 13:12:37 +0900,
> Reginald Braithwaite-Lee wrote:
> > Has there been any work on using Ruby's closures to implement
> > call-by-need semantics, such as the freeze and thaw or delay and force
> > macros in Lisp?
> 
> Like this?
> 
> # udelegator.rb by kjana [ruby-list:8239]

Very interesting. Thanks!!!