NixOS:Properties: Difference between revisions

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* <code>mkNotdef</code>: Invalidate a definition. Any attribute which has this value is considered as not defined in the current module.

* <code>mkIf condition definitions</code>: Create a conditional statements around multiple definitions. The definitions are considered only if the condition is verified.

* <code>mkThenElse { thenPart = definitions; elsePart = definitions; }</code>: Create two different evaluations based on the result of all previous <code>mkIf</code> conditions.

* <code>mkAlways</code>: Ignore all previous <code>mkIf</code> conditions.

* <code>mkOverrideTemplate priority template definitions</code>: Set a priority level to all definitions which are enumerated inside the template. Only definitions with the lower priority level are kept. The default priority level is 100. An empty template is considered as all definitions.

* <code>mkOverride priority template definitions</code>: Currently the same as <code>mkOverrideTemplate</code>.

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 * <code>mkNotdef</code>: Invalidate a definition.  Any attribute which has this value is considered as not defined in the current module.
 * <code>mkIf condition definitions</code>: Create a conditional statements around multiple definitions.  The definitions are considered only if the condition is verified.
-* <code>mkThenElse { thenPart = definitions; elsePart = definitions; }</code>: Create two different evaluations based on the result of all previous <code>mkIf</code> conditions.
-* <code>mkAlways</code>: Ignore all previous <code>mkIf</code> conditions.
 * <code>mkOverrideTemplate priority template definitions</code>: Set a priority level to all definitions which are enumerated inside the template.  Only definitions with the lower priority level are kept.  The default priority level is 100.  An empty template is considered as all definitions.
 * <code>mkOverride priority template definitions</code>: Currently the same as <code>mkOverrideTemplate</code>.