| 1 | var unique = require('./unique');
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| 2 | var append = require('./append');
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| 3 |
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| 4 | /**
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| 5 | * Concat multiple arrays and remove duplicates
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| 6 | */
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| 7 | function union(arrs) {
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| 8 | var results = [];
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| 9 | var i = -1, len = arguments.length;
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| 10 | while (++i < len) {
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| 11 | append(results, arguments[i]);
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| 12 | }
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| 13 |
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| 14 | return unique(results);
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| 15 | }
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| 16 |
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| 17 | module.exports = union;
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| 18 |
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| 19 |
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