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import {reduce, reduceStopper} from 'rambda'
describe('R.reduce', () => {  it('happy', () => {    const result = reduce<number, number>(      (acc, elem) => {        acc // $ExpectType number        elem // $ExpectType number        return acc + elem      },      1,      [1, 2, 3]    )
    result // $ExpectType number  })
  it('with two types', () => {    const result = reduce<number, string>(      (acc, elem) => {        acc // $ExpectType string        elem // $ExpectType number
        return `${acc}${elem}`      },      'foo',      [1, 2, 3]    )
    result // $ExpectType string  })
  it('with index', () => {    const result = reduce<number, number>(      (acc, elem, i) => {        acc // $ExpectType number        elem // $ExpectType number        i // $ExpectType number        return acc + elem      },      1,      [1, 2, 3]    )
    result // $ExpectType number  })
  it('with index, curried', () => {    const result = reduce<number, number>(      (acc, elem, i) => {        acc // $ExpectType number        elem // $ExpectType number        i // $ExpectType number        return acc + elem      },      1,    )([1, 2, 3])
    result // $ExpectType number  })
  it('using `reduceStopper` to stop the loop', () => {    const result = reduce<number, number>(      (acc, elem, i) => {        acc // $ExpectType number        elem // $ExpectType number        i // $ExpectType number        return acc + elem > 1 ? reduceStopper(elem) : acc      },      1,      [1, 2, 3]    )
    result // $ExpectType number  })
  it('fallback', () => {    const result = reduce(      (acc, val) => {        acc // $ExpectType number        return acc + val      },      1,      [1, 2, 3]    )
    result // $ExpectType number  })
  it('fallback with index', () => {    const result = reduce(      (acc, val, i) => {        acc // $ExpectType number        i // $ExpectType number        return acc + val      },      1,      [1, 2, 3]    )
    result // $ExpectType number  })
  it('fallback with two types', () => {    const result = reduce(      (acc, val) => {        acc // $ExpectType string        return acc + val      },      'foo',      [1, 2, 3]    )
    result // $ExpectType string  })})