moy-fp/test/List/range.test.js

A functional programming library.

import __ from '../../src/Function/__'
/**
 * Number -> Number -> [Number]
 */
import range from '../../src/List/range'

test('range(not using __)', () => {
  expect(
    range(1)(5)
  ).toEqual([1, 2, 3, 4])
})

test('range(using __)', () => {
  expect(
    range(__, 5)(1)
  ).toEqual([1, 2, 3, 4])
})