[@JonathanFrech: 59050675]
⟨⟩

STDERR:
global stack, register, printed, output, MAP_START, MAP_OFFSET, _join, _vertical_join, use_encoding, input_level, raw_strings, retain_items, reverse_args, this_function
rhs, lhs = pop(stack, 2); stack.append(add(lhs, rhs))

  (otherwise)                        = "".join(a) # Join by empty string

e (a: number, b: number)             = a ** b # exponent, exponentiation, a^b
  (a: number, b: string)             = every ath letter of b
  (a: string, b: number)             = every bth letter of a
  (a: string, b: string)             = regex.search(pattern=a, string=b).span()
  (otherwise)                        = vectorised

[@AaronMiller: 59054682]
Hello World!
8