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grokking_algorithms/03_recursion/perl6/03_factorial.p6
2018-01-04 06:46:31 -08:00

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Raku
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#!/usr/bin/env perl6
use v6.c;
multi fact(1) { 1 }
multi fact($x where { $x > 1 }) { $x * fact($x-1) }
say fact(5);