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import { symmetricDifference } from './symmetricDifference'
test('symmetricDifference', () => {  const list1 = [ 1, 2, 3, 4 ]  const list2 = [ 3, 4, 5, 6 ]  expect(symmetricDifference(list1)(list2)).toEqual([ 1, 2, 5, 6 ])
  expect(symmetricDifference([], [])).toEqual([])})
test('symmetricDifference with objects', () => {  const list1 = [ { id : 1 }, { id : 2 }, { id : 3 }, { id : 4 } ]  const list2 = [ { id : 3 }, { id : 4 }, { id : 5 }, { id : 6 } ]  expect(symmetricDifference(list1)(list2)).toEqual([    { id : 1 },    { id : 2 },    { id : 5 },    { id : 6 },  ])})