moy-fp/test/Function/always.test.js

A functional programming library.

import __ from '../../src/Function/__'
/**
 * a -> (*... -> a)
 */
import always from '../../src/Function/always'

test('always(not using __)', () => {
  expect(
    always(12)()
  ).toBe(12)
})

test('always(using __)', () => {
  expect(
    always(__)(12)()
  ).toBe(12)
})