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The range operator is denoted by double periods .. inserted between 2 integer expressions. It is usually used in conjunction with the membership operator in [] to test if an expression belongs to a set of values.


bIsAllowedSpeed = nSpeed in [30..90] // in Europe


The range operator can also be used in a switch statement.


switch nAge

 case 13..19

         sRESULT = 'teenager'

 case 50..59

         sRESULT = 'in the fifties'



It is important to note that invisible character tokens are treated as single characters.

Topic 133900 updated on 31-Oct-2002.
Topic URL: https://www.qppstudio.net/webhelp/index.html?range.htm