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x/rambda/source/lensIndex-spec.ts

Faster and smaller alternative to Ramda
selfrefactor/rambda
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import {view, lensIndex} from 'rambda'
interface Input {  a: number,}const testList: Input[] = [{a: 1}, {a: 2}, {a: 3}]
describe('R.lensIndex', () => {  it('happy', () => {    const result = view<Input[], Input>(lensIndex(0), testList)    result // $ExpectType Input    result.a // $ExpectType number  })})