4.19. 4.19 Character Set Support in the HLA Standard Library

The HLA Standard Library provides several character set routines you may find useful. The character set support routines fall into four categories: standard character set functions, character set tests, character set conversions, and character set I/O. This section describes these routines in the HLA Standard Library.

To begin with, let's consider the Standard Library routines that help you construct character sets. These routines include: cs.empty, cs.cpy, cs.charToCset, cs.unionChar, cs.removeChar, cs.rangeChar, cs.strToCset, and cs.unionStr. These procedures let you build up character sets at run-time using character and string objects.

The cs.empty procedure initializes a character ...

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