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Re^2: Transform Sequence Problem

by BillKSmith (Chaplain)
on Jun 22, 2013 at 15:32 UTC ( #1040276=note: print w/ replies, xml ) Need Help??


in reply to Re: Transform Sequence Problem
in thread Transform Sequence Problem

The recursion was harder than I expected (but just as short)!

use strict; use warnings; my @data = (1, 2, 3); $, = "\n"; print trans1(\@data,2); BEGIN{ my $seq =[ sub {map {$_ + 1} @_}, sub {map {log($_)} @_}, sub {map {$_ * 3} @_}, ]; sub trans1 { my ($x, $n) = @_; return $seq->[ 0]->(@$x) if $n == 0; return $seq->[$n]->( trans1($x, $n-1, $seq) ); } }
Bill


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