symmetricDifference.js•820 B
var _curry2 = require('./internal/_curry2');
var concat = require('./concat');
var difference = require('./difference');
/**
* Finds the set (i.e. no duplicates) of all elements contained in the first or
* second list, but not both.
*
* @func
* @memberOf R
* @since v0.19.0
* @category Relation
* @sig [*] -> [*] -> [*]
* @param {Array} list1 The first list.
* @param {Array} list2 The second list.
* @return {Array} The elements in `list1` or `list2`, but not both.
* @see R.symmetricDifferenceWith
* @example
*
* R.symmetricDifference([1,2,3,4], [7,6,5,4,3]); //=> [1,2,7,6,5]
* R.symmetricDifference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5,1,2]
*/
module.exports = _curry2(function symmetricDifference(list1, list2) {
return concat(difference(list1, list2), difference(list2, list1));
});