Abstract
A category can be used in Objective-C to add methods to classes, even when you don’t have complete access to the original source file for the class.
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© 2013 Carlos Oliveira
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Oliveira, C. (2013). Categories and Protocols. In: Objective-C Programmer’s Reference. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4302-5906-0_4
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DOI: https://doi.org/10.1007/978-1-4302-5906-0_4
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Publisher Name: Apress, Berkeley, CA
Print ISBN: 978-1-4302-5905-3
Online ISBN: 978-1-4302-5906-0
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