/Я language (β)/Modifiers/

> Same : i `AR` i
> Pass : Unit `AR` Unit
> Only : Unit `AR` Unit
> Both : Unit `S` Unit `AR` Unit `S` Unit
> Sole : Unit `P` Unit `AR` Unit `P` Unit
> Null : Void `AR` Void
> Fail : Void `AR` Void
> None : Void `P` Unit `AR` Void `P` Unit
> Pull : i `AR_` i `P` i
> Swap : ii `AR__` i `AR_` i `P` ii
> Push : ii `AR__` Maybe i `AR_` Maybe i `P` Maybe ii
> Drop : Maybe i `AR_` Maybe i `P` Maybe ii