GDL Directives for Configurations

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GDL has directives that define and work with configurations.

GDL contains the following configuration directives:

  • *Feature defines a configuration parameter that relates to features.

  • *Option defines a set of allowed states that can be assigned to each configuration parameter. These allowed states are known as options.

  • *Switch, *Case, and Default establish a dependency on a specified configuration parameter.

  • *DefaultOption constructs a default configuration.

  • *Constraints and *InvalidCombinations specify invalid configurations. If these directives are encountered, the GDL parser will attempt to modify them to create a valid (or unconstrained) configuration.

For more information about configuration directives, see GDL Configurations.