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import {on} from 'rambda'
const binaryFn = (a: number, b: number) => a === bconst unaryFn = (x: {a: number}) => x.aconst a = {  b: 0,  a: 1,}const b = {a: 1}
describe('R.on', () => {  it('with boolean as result', () => {    const result = on(binaryFn, unaryFn, a, b)
    result // $ExpectType boolean  })  it('with number as result', () => {    const result = on((a: number, b: number) => a + b, unaryFn, a, b)
    result // $ExpectType number  })})