apple-pascal-1.3-manual

executes an additional statement if nothing was selected from the list. TheCASE statement follows this syntax:CASE expression OFcaseclause 1--~--ENDOTHERWISEstatementThe case clause shown in this diagram has the following form:constant ,___~ ........statementThe controlling expression may have any scalar type-integer, CHAR,boolean, subrange, or user-defined. It should be capable of returning thevalue of any of the constants in the case clause.The constants in the case clause must have the same scalar type as thecontrolling expression.Any of the controlled statements in the case clause or the default statementfollowing OTHERWISE may be single statements or compoundBEGIN ... END constructions containing other statements.The easiest way to understand the CASE statement is to look at anexample.111-118Chapter 7: Program Controls