Day: October 28, 2020
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How to fix the pain of modifying Kotlin nested data classes
When Kotlin arrived a few years ago one of the selling points was immutability: In object-oriented and functional programming, an immutable object (unchangeable object) is an object whose state cannot be modified after it is created.https://en.wikipedia.org/wiki/Immutable_object This is very cool! Value objects are such a huge help when it comes to reasoning about code, safety and avoiding weird subtle misbehaviours due to “things changing…