On Wed, Jul 18, 2001 at 09:56:14AM -0400, Greg London wrote:
> can someone explain somethig for me, please:
Sure, ...
> bless \ [@_], $package;
> question: what's the '\' character do?
It creates an anonymous scalar reference:
@_ = (6, 7, 8);
$aref = [@_];
$arefref = \ [@_];
print @$aref; # prints "678"
$aref = $$arefref;
print @$aref; # prints "678"
> $x = sub { $ {shift()} } ;
> question: what's the lone '$' do?
It performs scalar dereference, just like the first '$' in
'$$arefref'. In fact, '$$arefref' is shorthand for '$ {$arefref}' and
what's in the {} braces can be any expression that evaluates to a
scalar reference. The space between '$' and '{' is ignored as
whitespace.
-John
> thanks,
> Greg
>
--
John Tobey, late nite hacker <[EMAIL PROTECTED]>
``I just dont want to worry about my word processor dropping its core.
It simply isnt my job to whip out GDB and debug my word processor.''
-Emily K. Dresner-Thornber
