1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
import {lastIndexOf} from 'rambda'
const list = [1, 2, 3]
describe('R.lastIndexOf', () => {  it('happy', () => {    const result = lastIndexOf(2, list)    result // $ExpectType number  })  it('curried', () => {    const result = lastIndexOf(2)(list)    result // $ExpectType number  })})