These are access modifiers for the individual methods of a struct or non-class protocols.
These apply also to the getter and setter methods of properties.

To understand these keywords, lets construct a struct MyStruct holding property underlyingValue of type Int:

class MyStruct {
private var underlyingValue: Int = 0
}

TLDR;

It is like compiler substitution :)

HTTR;

To understand associatedtypes: https://02infinity.medium.com/understanding-swift-protocol-associated-types-ca717d091b56

I’ve had a hard time wrapping my head around ‘some’ keyword (introduced in swift 5.1). Now that I have that “Ah-ha!” moment, I thought I may be able to help others understand, with this article.

I’ll start with…

Vijay Chandran Jayachandran

Engineer

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