public static bool Type <T>(this IRolCan me) => me.AllTypes(typeof(T));
// Three types public static bool AllTypes <T1, T2, T3>(this IRolCan me) => me.AllTypes(typeof(T1), typeof(T2), typeof(T3));
// Only one type public static bool Type(this IRolCan me, Type type) => me.AllTypes(type);