Guard (computer science)
Concept in computer science / From Wikipedia, the free encyclopedia
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In computer programming, a guard is a boolean expression that must evaluate to true if the execution of the program is to continue in the branch in question. Regardless of which programming language is used, a guard clause, guard code, or guard statement, is a check of integrity preconditions used to avoid errors during execution.
This article includes a list of general references, but it lacks sufficient corresponding inline citations. (September 2010) |