When a higher order function has only one parameter and the parameter type is function type

hOfWithOnlyFtParameter.kt

        /**
         * While calling the higher order function When the function type parameter is only parameter,
         * we can simply write our business logic between curly braces after writing the function name
         * and omit function call parentheses like below:
         */
        doSomething { x: Int, y: Int -> x + y }