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> set (reserved word)
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 set (reserved word)


Syntax

   set of type

Remarks

The base type of a set must be an ordinal type with no more than 256 possible values.

The ordinal values of the upper and lower bounds of the base type must be between 0 and 255.

A set constructor, which denotes a set-type value, is formed by writing expressions within brackets. Each expression denotes a value of the set.

The notation [ ] denotes the empty set, which is compatible with all set types.

Example

 { Set types }
   type
     Day = (Sun, Mon, Tue, Wed, Thu, Fri, Sat);
     CharSet = set of Char;
     Digits = set of 0..9;
     Days = set of Day;

 { Set constructors }

   ['0'..'9', 'A'..'Z', 'a'..'z', '_']
   [1, 5, I + 1 .. J - 1]
   [Mon..Fri]

See Also

 
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