Unreferenced variable: Difference between revisions

Revision as of 18:15, 12 February 2008

Revision as of 02:20, 13 February 2008

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An '''unreferenced variable''' in the [[source code]] of a [[computer program]] is a [[variable]] that is defined but which is never used. This may result in a harmless waste of memory (unless the [[compiler]] used detects the situation and does not allocate storage for the variable, perhaps also issuing a warning). Some [[coding style|coding guideline]] documents consider an unreferenced variable to be a potential symptom of a potential coding fault.

== Examples ==