1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
import {concat} from 'rambda'
const list1 = [1, 2, 3]const list2 = [4, 5, 6]
describe('R.concat', () => {  it('happy', () => {    const result = concat(list1, list2)
    result // $ExpectType number[]  })  it('curried', () => {    const result = concat(list1)(list2)
    result // $ExpectType number[]  })})