13 lines
267 B
JavaScript
13 lines
267 B
JavaScript
(function () {
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'use strict';
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// flatten :: Tree a -> [a]
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function flatten(a) {
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return a instanceof Array ? [].concat.apply([], a.map(flatten)) : a;
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}
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return flatten(
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[[1], 2, [[3, 4], 5], [[[]]], [[[6]]], 7, 8, []]
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);
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})();
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