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 problem
The problem that the builder pattern is designed to address is when an instance of a type requires numerous configurable values. The configuration options could be set when an instance of the type is created, but that can cause issues if the options are not set correctly or the proper values for all the options are unknown. Another issue is the amount of code that may be needed to set all the configurable options each time an instance is created.
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