is it possible to break out of closure in groovy

Question

is there a way to \'break\' out of a groovy closure.

maybe something like this:

[1, 2, 3].each { 
  println(it)
  if (it == 2)
    break 
}
<         


        

Answer 1

You can throw an exception:

try {
    [1, 2, 3].each { 
        println(it)
        if (it == 2)
            throw new Exception("return from closure") 
    }
} catch (Exception e) { }

Use could also use "findAll" or "grep" to filter out your list and then use "each".

[1, 2, 3].findAll{ it < 3 }.each{ println it }