We've already seen that Raku understands characters like ∞ , and it would be logically that you can use them with ease, similar to any other constructs of the language. Take, for example, a sequence with no definite end. You define a pattern and take as many items as you need. say (1, 1, * + * ... ∞)[^10]; Here, the pattern defines a Fibonacci sequence and we only take the first 10 elements of it: (1 1 2 3 5 8 13 21 34 55) You don't know upfront what the 10 th element will be, s...