enum Order (:Less(-1), :Same(0), :More(1));

Operators

infix cmp

multi sub infix:<cmp>(\a, \b --> Order:D)

cmp will first try to compare operands as strings (via coercion to Stringy), and, failing that, will try to compare numerically via the <=> operator or any other type-appropriate comparison operator. See also the documentation for the cmp operator.

infix <=>

multi sub infix:«<=>»(Int:D \a, Int:D \b --> Order:D)

Specialized form for Int.