33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
import _curry3 from "./internal/_curry3.js";
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import concat from "./concat.js";
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import differenceWith from "./differenceWith.js";
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/**
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* Finds the set (i.e. no duplicates) of all elements contained in the first or
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* second list, but not both. Duplication is determined according to the value
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* returned by applying the supplied predicate to two list elements.
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*
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* @func
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* @memberOf R
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* @since v0.19.0
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* @category Relation
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* @sig ((a, a) -> Boolean) -> [a] -> [a] -> [a]
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* @param {Function} pred A predicate used to test whether two items are equal.
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* @param {Array} list1 The first list.
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* @param {Array} list2 The second list.
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* @return {Array} The elements in `list1` or `list2`, but not both.
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* @see R.symmetricDifference, R.difference, R.differenceWith
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* @example
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*
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* const eqA = R.eqBy(R.prop('a'));
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* const l1 = [{a: 1}, {a: 2}, {a: 3}, {a: 4}];
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* const l2 = [{a: 3}, {a: 4}, {a: 5}, {a: 6}];
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* R.symmetricDifferenceWith(eqA, l1, l2); //=> [{a: 1}, {a: 2}, {a: 5}, {a: 6}]
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*/
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var symmetricDifferenceWith =
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/*#__PURE__*/
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_curry3(function symmetricDifferenceWith(pred, list1, list2) {
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return concat(differenceWith(pred, list1, list2), differenceWith(pred, list2, list1));
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});
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export default symmetricDifferenceWith; |