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import {uniqWith} from 'rambda'
describe('R.uniqWith', () => {  it('happy', () => {    const list = [{a: 1}, {a: 1}]
    const fn = (x: any, y: any) => x.a === y.a
    const result = uniqWith(fn, list)    result // $ExpectType { a: number; }[]  })})