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Late initialization
Sometimes, we want to initialize the properties of the class after it is created, but in a separate member function instead of using lazy
Lazy initialization
So far, we have two ways to initialize properties:
Property Delegation Tools
The standard library contains special property delegation properties. Map is one of the few types in Kotlin library. Each property identifier becomes a Strin...
Property Delegation
In Kotlin, we could connect a property to a delegate with the by keyword:
Operator Overloading
Back in the school while I was learning C++, operator overloading was one of the topics in academic. But in practice, I rarely overload operators. However, i...
Generics in Kotlin
I love template in C++ in the olden day. In many good languages that I had chance to come across, such as TypeScript, Java (it was added later) and Kotlin, t...