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

A functional programming library.

import __ from '../../src/Function/__'
/**
 * [a] -> [a]
 */
import tailList from '../../src/List/tailList'

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

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