This Expression

    • In a member of a class, this refers to the current object of that class.
    • In an or a function literal with receiver this denotes the receiver parameter that is passed on the left-hand side of a dot.

    Implicit this

    1. fun main() {
    4.     class A {
    5.         fun printLine() { println("Member function") }
    7.         fun invokePrintLine(omitThis: Boolean = false)  { 
    9.         }
    10.     }
    12.     A().invokePrintLine() // Member function
    13.     A().invokePrintLine(omitThis = true) // Top-level function