in reply to -> Is Optional ?

Yes. See the docs in perlreftut which says :-

 Arrow Rule
       In between two subscripts, the arrow is optional.

[download]

Replies are listed 'Best First'.
Re^2: -> Is Optional ?
by vinoth.ree (Monsignor) on Dec 28, 2012 at 13:08 UTC
[reply]

In Section Seekers of Perl Wisdom