Fractran: Difference between revisions
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A Fractran program potentially returns an infinite list, and infinite lists are a common data structure in Perl 6. The limit is therefore enforced only by slicing the infinite list. |
A Fractran program potentially returns an infinite list, and infinite lists are a common data structure in Perl 6. The limit is therefore enforced only by slicing the infinite list. |
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<lang perl6>sub fractran(@program) { |
<lang perl6>sub fractran(@program) { |
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2, { first Int, map (* * $_).narrow, |
2, { +first Int, map (* * $_).narrow, @program } ... 0 |
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} |
} |
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say fractran(<17/91 78/85 19/51 23/38 29/33 77/29 95/23 77/19 1/17 11/13 13/11 |
say fractran(<17/91 78/85 19/51 23/38 29/33 77/29 95/23 77/19 1/17 11/13 13/11 |
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