14 lines
569 B
Text
14 lines
569 B
Text
fcn damm(digits){ // digits is something that supports an iterator of integers
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var [const] tbl=Data(0,Int, // 10x10 byte bucket
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0, 3, 1, 7, 5, 9, 8, 6, 4, 2,
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7, 0, 9, 2, 1, 5, 4, 8, 6, 3,
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4, 2, 0, 6, 8, 7, 1, 3, 5, 9,
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1, 7, 5, 0, 9, 8, 3, 4, 2, 6,
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6, 1, 2, 3, 0, 4, 5, 9, 7, 8,
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3, 6, 7, 4, 2, 0, 9, 5, 8, 1,
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5, 8, 6, 9, 7, 2, 0, 1, 3, 4,
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8, 9, 4, 5, 3, 6, 2, 0, 1, 7,
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9, 4, 3, 8, 6, 1, 7, 2, 0, 5,
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2, 5, 8, 1, 4, 3, 6, 7, 9, 0);
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0 == digits.reduce(fcn(interim,digit){ tbl[interim*10 + digit] },0)
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}
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