Re^2: on the fly reference to subroutine output


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by tmharish (Friar)

on Mar 04, 2013 at 14:54 UTC ( [id://1021663]=note: print w/replies, xml )

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Just as a note - this beautiful solution works cause Perl flattens arrays.

You can see that when you do:

sub2( [ sub1(), (), () ] );
[download]

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Re^3: on the fly reference to subroutine output by ISAI student (Scribe) on Mar 04, 2013 at 15:12 UTC
Thank you all. It does the "magic".	[reply]
Re^3: on the fly reference to subroutine output by 7stud (Deacon) on Mar 05, 2013 at 02:45 UTC
How does 'flattening' come into play when there's only one array? I would think 'unwiding' of an array is what takes place.	[reply]
Re^4: on the fly reference to subroutine output by tmharish (Friar) on Mar 05, 2013 at 07:54 UTC
There are two arrays ( one inside the other ). The outer array is the anonymous array as shown below: `sub2( [ sub1() ] ); ^ ^ \| \| \| --------- Inner array ------------ Outer array` [download] sub 2 now gets the ref of the outer anonymous array which is flattened.	[reply] [d/l]

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