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...
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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...
Scope function
When I started doing Kotlin, the one that confused me the most was scope functions. However, once I understand what it is, it becomes my most favorite Kotlin...
Extension lambdas
Any fool can write code that a computer can understand. Good programmers write code that humans can understand.
Resource Cleanup
Using try, catch and finally blocks for resource cleanup is tedious and error-prone. In fact, Kotlin has a library functions that could help us to manage cle...
Nothing
What is Nothing in Kotlin? Does it even exist? A Nothing return type indicates a function that never returns. This is usually a function that always throws a...