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Business logic: Speed provider

Business logic: Speed provider: Swift: Writing Testable Code
Business logic: Speed provider: Swift: Writing Testable Code

In the sample project, Mark DiFranco creates a class that provides the user's current speed. He applies the concepts of Single Responsibility and dependency inversion to keep the class small, and independent of other classes.

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Skill Level Intermediate
3h 11m
Duration
15,310
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Skills covered in this course
Developer Mobile Apps Programming Languages Swift iOS

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