Subrange types

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   Subrange types


A subrange type is a range of values from an ordinal type called the host type.

Syntax

   Constant1 .. Constant2

Remarks

The definition of a subrange type specifies the least and the largest value in the subrange.

Both constants must be of the same ordinal type, and the first constant must be less than or equal to the second constant.

The $R compiler directive controls range checking of subrange types.

Examples

 { Subranges }
  0..99
  -128..127

Тэги: Subrange
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