Higher Order Functions: Examples - devrath/KotlinAlchemy GitHub Wiki

Example-1: Invoking a variable

Code

val action :() -> Unit = { println("Hello World!!")  }

fun main(args: Array<String>) {
    // Calling the action
    action()
    action.invoke()
}

Output

Hello World!!
Hello World!!

Example-2: Consuming action

Code

val action :() -> Unit = { println("Hello World!!")  }

fun main(args: Array<String>) {
    // Calling the action
    consumeAction(action)
}

fun consumeAction( action :()-> Unit ){
    action()
    action.invoke()
}

Output

Hello World!!
Hello World!!

kotlin

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