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7.2: Data Classes

Any value in ANA belongs to a specific data class. Within a data class, several data types may be distinguished between. All data classes (and the data types within them) that are available to the user are described below.

  • Undefined Variables without a value
  • Scalars A single number
  • Strings A string of text
  • Arrays A group of similar values
  • File Arrays Assigning an array structure to a disk file
  • Associated Variables Assigning a record structure to a disk file
  • Ranges A range
  • Compact Lists A group of dissimilar values
  • Compact Pointer Lists A group of pointers to variables
  • Lists A group of dissimilar values
  • Structures
  • Pointers A pointer to another variable