infinity

The keyword is used for sub-typing to indicate that:

• the range of an integer value is not limited,
• the range of an floating point value is not limited,
• the length of a string is not limited
• the numer of elements in set of and record of is not limited.

In case of integer and floating point numbers both positive and negative infinity may be used, for strings and set/record of only postivie infinity is meaningful.

Related keywords:

• bitstring
• charstring
• float
• hexstring
• integer
• octetstring
• of
• type
• universal

Example 1:

type integer Cele (-infinity .. 18);

The values of type Cele are integers less than or equal to eighteen. There is no limit for negative values.

Example 2:

type float Mergitur (1.0E03 .. infinity);

Type Mergitur contains only those real values, which are greater than or equal to one thousand. Values except for this range are disallowed.

Example 3:

type universal charstring Longue length (11 .. infinity);
var Longue v_longue;

The variable v_longue can have at least 11 characters (quadruples). An upper limit is not given.

Example 4:

type record length (42 788 830 .. infinity) of integer Egeeszek;

A valid value of type Egeeszek must contain at least forty-two million seven hundred eighty-eight thousand eight hundred thirty elements. An upper limit is not given.

BNF definition of infinity