Index finite lists of positive integers: Difference between revisions
Index finite lists of positive integers (view source)
Revision as of 20:58, 9 May 2014
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sub unrank(Int $n) { my ($a, $b) = expand($n, 2); expand $a, $b + 2 }
for ^
my @unrank = unrank $_;
say @unrank, " <-> ", rank @unrank;
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