idea/testData/formatter/WhenArrow.kt - third_party/github/JetBrains/kotlin - Git at Google

 fun f(x: Any): Int {
     return when (x)  {
         is Int ->1
         else->0
     }
 }

 // SET_FALSE: SPACE_AROUND_WHEN_ARROW
	fun f(x: Any): Int {
	return when (x) {
	is Int ->1
	else->0
	}
	}

	// SET_FALSE: SPACE_AROUND_WHEN_ARROW