Modulinos

Raku automatically calls MAIN on direct invocation, but this may be a multi dispatch, so a library may have multiple "scripted mains".

class LUE {
    has $.answer = 42;
}

multi MAIN ('test') {
    say "ok" if LUE.new.answer == 42;
}

multi MAIN ('methods') {
    say ~LUE.^methods;
}