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Mastering Swift 4 - Fourth Edition by Jon Hoffman

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What is a programming style guide?

Coding styles are very personal, and every developer has his or her own preferred style. These styles can vary from language to language, person to person, and also over time. The personal nature of coding styles can make it difficult to have a consistent and readable code base when numerous individuals are contributing to the code.

While most developers might have their own preferred styles, the recommended or preferred style between languages can vary. As an example, in C#, when we name a method or function, it is preferred that we use PascalCase, which is similar to CamelCase except the first letter is capitalized. While in most other languages, such as C, Objective-C, and Java, it is also recommended ...

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