Used internally.
verify_int(x, min_value = -Inf, max_value = Inf, open = "no")
Single logical.
value to check.
single integers (each), lower and upper bounds
between which x
should lie.
single character, determines whether min_value
and max_value
are excluded or not. Valid values: "no"
(= closed interval; min_value
and max_value
included; default value), "right"
, "left"
, "yes"
(= open interval, min_value
and max_value
excluded).