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Value range constraints restrict the possible values that a numeric type can have. Value range constraints can be used only with INTEGER and REAL types.
NOTE: Value range constraints applied to INTEGER types are PER-visible, that is, they affect PER encodings.
In the following example, the possible values of HoursWorked are restricted to be from 0 to 168, inclusive:
HoursWorked ::= INTEGER (0..168)
The values of HoursPaid are restricted to a range from greater than 0 through 168. The "<" symbol indicates that the lower endpoint value is not included in the legal range:
HoursPaid ::= INTEGER (0<..168)
The following examples show the use of MIN and MAX. In each case, the legal values of the defined types are restricted to a range which includes the minimum and maximum, respectively, of the parent type. Values of the type ReasonableHours are restricted from 0 to 60, while those of the type LongestHoursWorked must be between 1 and 168:
ReasonableHoursWorked ::= HoursWorked (MIN..60) LongestHoursWorked ::= HoursWorked (1..MAX)
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