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x/rambda/source/findIndex.spec.js

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selfrefactor/rambda
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import {findIndex} from './findIndex'import {propEq} from './propEq'
const list = [{a: 1}, {a: 2}, {a: 3}]
test('happy', () => {  expect(findIndex(propEq('a', 2), list)).toEqual(1)
  expect(findIndex(propEq('a', 1))(list)).toEqual(0)
  expect(findIndex(propEq('a', 4))(list)).toEqual(-1)})