October 2017
Intermediate to advanced
210 pages
5h 32m
English
Content preview from Swift 4 Protocol-Oriented Programming - Third Edition
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Understanding the solution
The factory method pattern encapsulates the logic used to select which type to instantiate within a single method. This method exposes only the protocol (or base class) to the code that calls it and does not reveal the details of how a particular type was selected.
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