lucas-numbers/lucas-05.p6
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| Language | Raku |
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| Owner | Sterling |
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| Modified | |
| Visibility | Public |
sub lucas(Int $nth where * >= 0) returns Int {
given $nth {
when 0 { 2 }
when 1 { 1 }
default { lucas($nth - 1) + lucas($nth - 2) }
}
}
say lucas(-3);
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