Here, () -> Unit is a function type and the Unit after the -> indicates that this function type does not return any meaningful value . Mentioning the Unit cannot be skipped in function types. Unit for Extending Generics. Every function has to return a value.2 May 2019
Read moreWhat is this () in Kotlin?
In Kotlin, the “this” keyword allows us to refer to the instance of a class whose function we happen to be running .
Read moreWhat is unit in Kotlin Android?
From the Kotlin documentation: If a function does not return any useful value, its return type is Unit. Unit is a type with only one value — Unit.VALUE.
Read moreWhat is Kotlin programming language used for?
Kotlin is a general purpose, free, open source, statically typed “pragmatic” programming language initially designed for the JVM (Java Virtual Machine) and Android that combines object-oriented and functional programming features. It is focused on interoperability, safety, clarity, and tooling support.
Read moreWhat’s the target platform of Kotlin How is Kotlin Java interoperability possible?
How is Kotlin-Java interoperability possible? Java Virtual Machine(JVM) is the Target Platform of Kotlin. Kotlin is 100% interoperable with Java since both, on compilation produce bytecode. Hence Kotlin code can be called from Java and vice-versa.
Read moreIs Kotlin useful outside of Android?
“Kotlin is no longer just for developing android apps .” … Though Kotlin was created keeping JVM in mind, which means it can only be used on any device that runs on JVM. But after the release of Kotlin 1.1, Jetbrains announced Kotlin JS, allowing to use Kotlin language for front-end development.
Read moreShould I code in Kotlin or Java?
Kotlin is the preferred language for Android development in 2021 . Both Java and Kotlin can be used to build performant, useful applications, but Google’s libraries, tooling, documentation, and learning resources continue to embrace a Kotlin-first approach; making it the better language for Android today.26 Nis 2021
Read more