Beefy Boxes and Bandwidth Generously Provided by pair Networks
laziness, impatience, and hubris
 
PerlMonks  

Re^4: (Perl6) Groking Continuations (iterators)

by Anonymous Monk
on Oct 23, 2010 at 04:58 UTC ( #866927=note: print w/replies, xml ) Need Help??


in reply to Re: Re: Re: (Perl6) Groking Continuations (iterators)
in thread (Perl6) Groking Continuations

Perl can do something that closely resembles an optimized tail call, but it only does so if you tell it to.
sub tail_fact { my ($num, $k) = @_; return $k->(1) unless ($num); @_ = ($num - 1, sub { return $num * $k->(shift); }); goto &tail_fact; }

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://866927]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others wandering the Monastery: (7)
As of 2016-09-25 17:35 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    Extraterrestrials haven't visited the Earth yet because:







    Results (470 votes). Check out past polls.