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Catalan numbers/Pascal's triangle: Difference between revisions

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→‎{{header|JavaScript}}: ES6 ( by composition of generic functions )
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9,665 edits
m →‎ES6 JavaScript: Deleted one unused generic function
Line 741:
return v;
}
 
// zip :: [a] -> [b] -> [(a,b)]
let zip = (xs, ys) =>
xs.length === ys.length ? (
xs.map((x, i) => [x, ys[i]])
) : undefined;
 
// Int -> [a] -> [a]
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