Added "Type vs instance methods" section

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Wojciech Nagrodzki 2018-08-04 19:54:36 +02:00
parent f8c1c6f7e7
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# iOSProgrammingGuidelines
# iOSProgrammingGuidelines
## Swift
### Type vs instance methods
If a method is independent of instance state it should be declared as type method, preferably by using `static` keyword (or `class` in case when the method is designed to be overridden in a subclass).
> This is to avoid methods giving a false impression that they are dependent on the instance state while in fact they are not.