Re: State variables

[Torsten Schoenfeld <kaffeetisch gmx de>]

On Thu, 2006-05-04 at 19:27 +0200, A. Pagaltzis wrote:
> * Torsten Schoenfeld <kaffeetisch gmx de> [2006-05-04 19:05]:
> > If you put a block around a sub, you can declare a lexical
> > variable in that scope but outside the sub.  It will then
> > behave like a state variable:
>
> Is that really exactly what state variables do? So far, all
> explanations about what state variables in Perl 6 are for have
> left me confused. I assumed they work the way you outlined, but
> all descriptions I’ve seen make them sound much more subtle and
> hard to grasp.

All I can find about C<state> variables in Perl 6 seems to suggest that,
yes, that's really all they do.

<http://dev.perl.org/perl6/doc/design/apo/A06.html#PRE/POST/FIRST/LAST/etc.>
<http://dev.perl.org/perl6/doc/design/apo/A12.html#Assignment_to_state_variable_declaration_now_does_"first"_semantics.>
<http://dev.perl.org/perl6/doc/design/syn/S04.html#Closure_traits>

-- 
Bye,
-Torsten