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sub argument passing? (TIMTOWTDI)

by temporal (Pilgrim)
on Sep 13, 2012 at 18:36 UTC ( #993555=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    # single arg, used for simple and dirty
    sub foo {
    ...
        # will warn me if $href->{hello_sub} is not defined
        print 'hi!' if $href->{hello_sub};
    }
    
  2. or download this
    # processes arguments passed to subroutine in hashref
    # returns hash
    ...
        print 'hi!' if $opts{hello_sub};
    }
    

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