Passing a function literal that has only one parameter (function literal syntax/ signature 2)

flOneParam.kt

        /**
         * While calling the higher order function When the function type parameter is one and only parameter,
         * and if the function type has also one and only parameter,
         * in addition to function call parentheses, we can also omit the parameter of the function type and an arrow ```->```
         * We just write core business logic between curly braces
         * and we can access our single parameter through the keyword it like below:
         */
        doSomething { "$it" }