7 lines
255 B
Raku
7 lines
255 B
Raku
subset Natural of Int where { $^n >= 0 }
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multi pow (0, 0) { fail '0**0 is undefined' }
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multi pow ($base, Natural $exp) { [*] $base xx $exp }
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multi pow ($base, Int $exp) { 1 / pow $base, -$exp }
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sub infix:<***> ($a, $b) { pow $a, $b }
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