123456789101112
import {join} from './join'
test('curry', () => {  expect(join('|')(['foo', 'bar', 'baz'])).toEqual('foo|bar|baz')
  expect(join('|', [1, 2, 3])).toEqual('1|2|3')
  const spacer = join(' ')
  expect(spacer(['a', 2, 3.4])).toEqual('a 2 3.4')})