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JavaScript's functional programming helper library.

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import { slice } from './_setup.js';

// Returns everything but the last entry of the array. Especially useful on
// the arguments object. Passing **n** will return all the values in
// the array, excluding the last N.
export default function initial(array, n, guard) {
  return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
}