Autrijus asked:

>  On Wed, Jun 15, 2005 at 05:37:18PM -0500, Patrick R. Michaud wrote:
>  
> >Based on an off-list discussion, it turns out that unary C<=>
> >is not slurpy as mentioned in S04.  The following patch to S04
> >corrects this; I've already applied the patch but thought I'd
> >pass it by p6l for review/comments/reactions.
>  
>  
>  Does it mean that it's a synonym to "&readline"?

No. It's the general-purpose "iterate this..." operator.

Applied to a filehandle, it iterates the filehandle (which *is* equivalent to 
  calling C<readline> ).

But it can also be applied to any other iterator object, in which case it 
calls that object's C<.next>  method.

Damian