docs: function fromTypedArray (that, array) {
    var length = checked(array.length) | 0
    that = allocate(that, length)
    // Truncating the elements is probably not what people expect from typed
    // arrays with BYTES_PER_ELEMENT > 1 but it's compatible with the behavior
    // of the old Buffer constructor.
    for (var i = 0; i < length; i += 1) {
      that[i] = array[i] & 255
    }
    return that
  }