In Kotlin, you can provide default values to parameters in function definition. If the function is called with arguments passed, those arguments are used as parameters . However, if the function is called without passing argument(s), default arguments are used.
Read moreWhat is Vararg in Kotlin?
Kotlin Android. Sometimes we need a function where we can pass n number of parameters, and the value of n can be decided at runtime. Kotlin provides us to achieve the same by defining a parameter of a function as vararg .
Read moreCan I pass a function as a parameter in Kotlin?
Kotlin functions are first-class, which means they can be stored in variables and data structures, and can be passed as arguments to and returned from other higher-order functions .7 Eki 2021
Read moreHow do you pass parameters in Kotlin?
You can pass a variable number of arguments to a function by declaring the function with a vararg parameter . In Kotlin, a vararg parameter of type T is internally represented as an array of type T ( Array<T> ) inside the function body.3 Mar 2018
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 does () -> unit mean in Kotlin?
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 .
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