Code Snippet for https://blacklenspub.com/inline-function-in-kotlin-adb51b0eab76

higher-order-functions-in-kotlin.kt

fun startHere() {
  var addResult = calculate(10, 3, { x, y ->
    x + y
  })
  ...
}
fun calculate(x: Int, 
              y: Int, 
              equation: (x: Int, y: Int) -> Int): Int {
  // Do something
  return equation(x, y)
}