What's the best practice for naming Swift files that add extensions to existing objects?

Question

It\'s possible to add extensions to existing Swift object types using extensions, as described in the language specification.

As a result, it\'s possible to create exten

Answer 1

I prefer having a + to underline the fact it contains extensions :

String+Extensions.swift

And if the file gets too big, you can then split it for each purpose :

String+UTF8Data.swift

String+Encrypt.swift