Definition of "lookahead" [lookahead]

• The analysis in advance of subsequent decisions that would be made if a particular branch of an algorithm was followed. (noun)

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• "This mode is called the lookahead pre-parser3 because it looks ahead of the main parser for resources references in later markup."
• "The comments here while thought provoking fail to lookahead."
• "MRB: The comments here while thought provoking fail to lookahead."