19 lines
410 B
JavaScript
19 lines
410 B
JavaScript
(() => {
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'use strict';
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// sum :: (Num a) => [a] -> a
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const sum = xs => xs.reduce((a, x) => a + x, 0);
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// product :: (Num a) => [a] -> a
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const product = xs => xs.reduce((a, x) => a * x, 1);
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// TEST
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// show :: a -> String
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const show = x => JSON.stringify(x, null, 2);
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return show(
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[sum, product]
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.map(f => f([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]))
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);
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})();
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