Definition of "mapper" [mapper]

• One who maps (noun)

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• "As the output types from the mapper are the same as the reducer then this is possible."
• "Due to the worldwide success of SubSonic, James converted in 2008 to this O / R mapper, which is currently one of the market-leading data-access solutions for."
• "Each boat gets its own dedicated, interactive web page "mapper" with photos of the boat and updated news clips."