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import {chain} from 'rambda'
const list = [1, 2, 3]const fn = (x: number) => [`${x}`, `${x}`]
describe('R.chain', () => {  it('without passing type', () => {    const result = chain(fn, list)    result // $ExpectType string[]
    const curriedResult = chain(fn)(list)    curriedResult // $ExpectType string[]  })})