1 | var _curry2 =
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2 | /*#__PURE__*/
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3 | require("./internal/_curry2");
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4 | /**
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5 | * Creates a new list out of the two supplied by creating each possible pair
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6 | * from the lists.
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7 | *
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8 | * @func
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9 | * @memberOf R
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10 | * @since v0.1.0
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11 | * @category List
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12 | * @sig [a] -> [b] -> [[a,b]]
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13 | * @param {Array} as The first list.
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14 | * @param {Array} bs The second list.
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15 | * @return {Array} The list made by combining each possible pair from
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16 | * `as` and `bs` into pairs (`[a, b]`).
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17 | * @example
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18 | *
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19 | * R.xprod([1, 2], ['a', 'b']); //=> [[1, 'a'], [1, 'b'], [2, 'a'], [2, 'b']]
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20 | * @symb R.xprod([a, b], [c, d]) = [[a, c], [a, d], [b, c], [b, d]]
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21 | */
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22 |
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23 |
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24 | var xprod =
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25 | /*#__PURE__*/
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26 | _curry2(function xprod(a, b) {
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27 | // = xprodWith(prepend); (takes about 3 times as long...)
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28 | var idx = 0;
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29 | var ilen = a.length;
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30 | var j;
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31 | var jlen = b.length;
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32 | var result = [];
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33 |
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34 | while (idx < ilen) {
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35 | j = 0;
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36 |
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37 | while (j < jlen) {
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38 | result[result.length] = [a[idx], b[j]];
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39 | j += 1;
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40 | }
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41 |
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42 | idx += 1;
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43 | }
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44 |
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45 | return result;
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46 | });
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47 |
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48 | module.exports = xprod; |
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