Calling a higher order function where a function type has no parameter

callFt.kt

        /**
         * 5/8/2020
         * A function type without any parameter
         * <p>
         * if the higher order function has only one function type parameter and the function type has no parameter,
         * We can simply write our business logic between curly parentheses right after the name of the function.
         * </p>
         * @author srdpatel
         * @since 1.0
         */
        doSomethingY { "test" }