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import {modify, add} from 'rambda'const person = {name: 'James', age: 20}
describe('R.modify', () => {  it('happy', () => {    const {age} = modify('age', add(1), person)    const {age: ageAsString} = modify('age', String, person)
    age // $ExpectType number    ageAsString // $ExpectType string  })  it('curried', () => {    const {age} = modify('age', add(1))(person)
    age // $ExpectType number  })})