31 lines
569 B
JavaScript
31 lines
569 B
JavaScript
(() => {
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"use strict";
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// main :: IO ()
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const main = () => {
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const
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xs = enumFromTo(2008)(2121)
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.filter(xmasIsSunday);
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return (
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console.log(xs),
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xs
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);
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};
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// xmasIsSunday :: Int -> Bool
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const xmasIsSunday = year =>
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(new Date(year, 11, 25))
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.getDay() === 0;
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// enumFromTo :: Int -> Int -> [Int]
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const enumFromTo = m =>
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n => Array.from({
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length: 1 + n - m
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}, (_, i) => m + i);
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// MAIN ---
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return main();
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})();
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