Dave Whipp writes: > Another, very different, situation where laziness is good is to abstract > fork/join situations: > > > my $a is lazy_thread := expensive_fn1(...); > my $b is lazy_thread := expensive_fn2(...); > > print $a + $b; > > In this scenario, each expensive evaluation would be launched as a > separate thread. When the resulting value is later used, then the thread > would be joined, blocking if the thread is not complete.
That is gorgeous. C<lazy_thread> isn't a good name, but it's a marvelous concept. Thanks. Luke
