const log = (..._arg) => {
  return console.log(..._arg)
}

log(
  [0, 1, 0, 1].filter(_it => {
    return !!_it
  })
) // -> [1, 1]

const heroes = [
  {
    name: 'bob',
    getPower: () => ({
      level: 9001
    })
  },
  {
    name: 'joe',
    getPower: () => ({
      level: 4500
    })
  }
]
log(
  heroes.find(_it2 => {
    return _it2.getPower().level > 9000
  })
) // -> { name: 'bob', getPower: [Function] }

const greet = _arg2 => {
  return `Hello, ${_arg2}!`
}

greet('world') |>
  (_it3 => {
    return _it3.toUpperCase()
  }) |>
  log // -> HELLO, WORLD!

Array [ 1 1 ]
Object { "getPower": [Function getPower] "name": "bob" }
"HELLO, WORLD!"