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import _curry2 from './internal/_curry2.js';

/** * Takes a list and a predicate and returns a pair of lists with the following properties: * *  - the result of concatenating the two output lists is equivalent to the input list; *  - none of the elements of the first output list satisfies the predicate; and *  - if the second output list is non-empty, its first element satisfies the predicate. * * @func * @memberOf R * @since v0.19.0 * @category List * @sig (a -> Boolean) -> [a] -> [[a], [a]] * @param {Function} pred The predicate that determines where the array is split. * @param {Array} list The array to be split. * @return {Array} * @example * *      R.splitWhen(R.equals(2), [1, 2, 3, 1, 2, 3]);   //=> [[1], [2, 3, 1, 2, 3]] */var splitWhen = _curry2(function splitWhen(pred, list) {  var idx = 0;  var len = list.length;  var prefix = [];
  while (idx < len && !pred(list[idx])) {    prefix.push(list[idx]);    idx += 1;  }
  return [prefix, Array.prototype.slice.call(list, idx)];});export default splitWhen;