Type class witnessing that the Nat A is the exclusive bound of
a range, i.e.
Type class witnessing that the Nat A is the exclusive bound of
a range, i.e. the beginning or end of a range that does not include A.
Type class witnessing that the Nat A is the inclusive bound of
a range, i.e.
Type class witnessing that the Nat A is the inclusive bound of
a range, i.e. the beginning or end of a range that includes A.