analogous Try block to try/finally block in scala

Question

What is the analogous in manners of scala Try to:

timer.start()
try {
  doThis()
} finally {
  timer.cancel()
}

Answer 1

Given that an exception inside a Try simply creates a Failure value (as opposed to transferring control to an outer catch block when using try), the code in your original finally block would just need to be executed after the Try. In other words, this will do:

timer.start()
val result = Try{
  doThis()
}
timer.cancel()
result

As far as I know there is no built-in shortcut that would allow to avoid capturing result just to return it as is.

Answer 2

Since Try won't throw an exception in your program flow I believe just write the following:

timer.start()
Try(doThis())
timer.cancel()

You can assign Try(doThis()) to a value and process it further if you wish to process the exception (rather than blindly ignoring it) or the call result.